docs: establish project documentation and licensing

CODE_OF_CONDUCT.md

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+# VniDrop Code of Conduct
+
+## Our Pledge
+
+We pledge to make our community welcoming, safe, and equitable for all.
+
+We are committed to fostering an environment that respects and promotes the
+dignity, rights, and contributions of all individuals, regardless of
+characteristics including race, ethnicity, caste, color, age, physical
+characteristics, neurodiversity, disability, sex or gender, gender identity or
+expression, sexual orientation, language, philosophy or religion, national or
+social origin, socio-economic position, level of education, or other status.
+The same privileges of participation are extended to everyone who participates
+in good faith and in accordance with this Code of Conduct.
+
+## Encouraged Behaviors
+
+While acknowledging differences in social norms, we all strive to meet our
+community's expectations for positive behavior. We also understand that our
+words and actions may be interpreted differently than we intend based on
+culture, background, or native language.
+
+With these considerations in mind, we agree to behave mindfully toward each
+other and act in ways that center our shared values, including:
+
+1. Respecting the purpose of our community, our activities, and our ways of
+   gathering.
+2. Engaging kindly and honestly with others.
+3. Respecting different viewpoints and experiences.
+4. Taking responsibility for our actions and contributions.
+5. Gracefully giving and accepting constructive feedback.
+6. Committing to repairing harm when it occurs.
+7. Behaving in other ways that promote and sustain the well-being of our
+   community.
+
+## Restricted Behaviors
+
+We agree to restrict the following behaviors in our community. Instances,
+threats, and promotion of these behaviors are violations of this Code of
+Conduct.
+
+1. **Harassment.** Violating explicitly expressed boundaries or engaging in
+   unnecessary personal attention after any clear request to stop.
+2. **Character attacks.** Making insulting, demeaning, or pejorative comments
+   directed at a community member or group of people.
+3. **Stereotyping or discrimination.** Characterizing anyone's personality or
+   behavior on the basis of immutable identities or traits.
+4. **Sexualization.** Behaving in a way that would generally be considered
+   inappropriately intimate in the context or purpose of the community.
+5. **Violating confidentiality.** Sharing or acting on someone's personal or
+   private information without their permission.
+6. **Endangerment.** Causing, encouraging, or threatening violence or other
+   harm toward any person or group.
+7. **Behaving in other ways that threaten the well-being of our community.**
+
+### Other Restrictions
+
+1. **Misleading identity.** Impersonating someone else for any reason, or
+   pretending to be someone else to evade enforcement actions.
+2. **Failing to credit sources.** Not properly crediting the sources of content
+   you contribute.
+3. **Promotional materials.** Sharing marketing or other commercial content in
+   a way that is outside the norms of the community.
+4. **Irresponsible communication.** Failing to responsibly present content
+   which includes, links, or describes any other restricted behaviors.
+
+## Reporting an Issue
+
+Tensions can occur between community members even when they are trying their
+best to collaborate. Not every conflict represents a Code of Conduct violation,
+and this Code of Conduct reinforces encouraged behaviors and norms that can help
+avoid conflicts and minimize harm.
+
+To report a possible violation, contact a VniDrop maintainer privately using the
+contact information on their GitHub profile. Do not disclose sensitive details
+in a public issue. If a report concerns a maintainer, contact a different
+maintainer who is not involved in the incident.
+
+Include the relevant links, dates, context, and any supporting material you are
+comfortable sharing. Community Moderators will take reports seriously and make
+every effort to respond promptly. They will investigate reports by reviewing
+available messages, logs, and other evidence, or by interviewing witnesses and
+participants. They will keep investigation and enforcement actions as
+transparent as possible while prioritizing safety and confidentiality.
+
+Enforcement actions are carried out privately with the involved parties, but
+communicating to the whole community may be part of a mutually agreed-upon
+resolution.
+
+## Addressing and Repairing Harm
+
+If an investigation finds that this Code of Conduct has been violated, the
+following enforcement ladder may be used to determine how best to repair harm,
+based on the incident's impact on the individuals involved and the community as
+a whole. Depending on the severity of a violation, lower rungs on the ladder may
+be skipped.
+
+### 1. Warning
+
+- **Event:** A violation involving a single incident or series of incidents.
+- **Consequence:** A private, written warning from the Community Moderators.
+- **Repair:** Examples include a private written apology, acknowledgement of
+  responsibility, and seeking clarification on expectations.
+
+### 2. Temporarily Limited Activities
+
+- **Event:** A repeated incidence of a violation that previously resulted in a
+  warning, or the first incidence of a more serious violation.
+- **Consequence:** A private, written warning with a time-limited cooldown
+  period designed to underscore the seriousness of the situation and give the
+  community members involved time to process the incident. The cooldown period
+  may be limited to particular communication channels or interactions with
+  particular community members.
+- **Repair:** Examples include making an apology, using the cooldown period to
+  reflect on actions and impact, and being thoughtful about re-entering
+  community spaces after the period is over.
+
+### 3. Temporary Suspension
+
+- **Event:** A pattern of repeated violations which the Community Moderators
+  have tried to address with warnings, or a single serious violation.
+- **Consequence:** A private written warning with conditions for return from
+  suspension. In general, temporary suspensions give the person being suspended
+  time to reflect upon their behavior and possible corrective actions.
+- **Repair:** Examples include respecting the spirit of the suspension, meeting
+  the specified conditions for return, and being thoughtful about how to
+  reintegrate with the community when the suspension is lifted.
+
+### 4. Permanent Ban
+
+- **Event:** A pattern of repeated Code of Conduct violations that other steps
+  on the ladder have failed to resolve, or a violation so serious that the
+  Community Moderators determine there is no way to keep the community safe
+  with this person as a member.
+- **Consequence:** Access to all community spaces, tools, and communication
+  channels is removed. Permanent bans should be rarely used, have strong
+  reasoning behind them, and only be used if other remedies have failed to
+  change the behavior.
+- **Repair:** There is no possible repair in cases of this severity.
+
+This enforcement ladder is a guideline. It does not limit the ability of
+Community Moderators to use their discretion and judgment in the best interests
+of the VniDrop community.
+
+## Scope
+
+This Code of Conduct applies within all VniDrop community spaces and also when
+an individual is officially representing VniDrop in public or other spaces.
+Examples of representation include using an official email address, posting via
+an official social media account, or acting as an appointed representative at
+an online or offline event.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant, version
+3.0](https://www.contributor-covenant.org/version/3/0/).
+
+Contributor Covenant is stewarded by the Organization for Ethical Source. This
+adapted Code of Conduct is licensed under [CC BY-SA
+4.0](https://creativecommons.org/licenses/by-sa/4.0/). The enforcement ladder
+was inspired by the work of Mozilla's code of conduct team.