GET /api/users
GET /api/users/:id
POST /api/users Required: nickname Optional: telegram_id, phone
PUT/PATCH /api/users/:id
DELETE /api/users/:id
GET /api/zones
GET /api/zones/:id
POST /api/zones Required: user_id, password
PATCH/PUT /api/zones/:id Required: old_password, user_id, new_password
DELETE /api/zones/:id
Required: zone_id, user_id
POST /api/zones/:zone_id/participants/:user_id
DELETE /api/zones/:zone_id/participants/:user_id/:id
Required: user_id, song_url
POST /api/zones/requests
Required: request_id, user_id, rating (integer)
POST /api/requests/:request_id