Reorganization of backend + new routes

backend/core/models/events_to_user.go

@@ -0,0 +1,16 @@
+package models
+
+import (
+	"github.com/google/uuid"
+	"github.com/uptrace/bun"
+)
+
+type EventToUser struct {
+	bun.BaseModel `bun:"table:events_to_users"`
+
+	EventID uuid.UUID `bun:"type:uuid,pk"`
+	UserID  uuid.UUID `bun:"type:uuid,pk"`
+
+	Event *Event `bun:"rel:belongs-to,join:event_id=event_id"`
+	User  *User  `bun:"rel:belongs-to,join:user_id=user_id"`
+}