Missing features 4.0

[J-C-V]

• [x] Slot interval for each plane endpoint
• [x] Create user with role endpoint
• [x] Get all users
• [x] Delete user
• [x] Ticket ID on booking success
• [x] Realtime endpoint for all flights (Currently responds with 404)
• [x] POST, PATCH and SSEs should always return the full resource with all sub resources
• [x] Add query parameter option to GET /flights to only get upcoming flights (departure time > now)

[J-C-V]

Updated missing feature list

[MetaEMK]

Create user with role endpoint implemented in v0.4

[MetaEMK]

Updated missing feature list

passenger or flight?

[J-C-V]

passenger or flight?

Ticket No. of each passenger.

Updated missing feature list.

[J-C-V]

Updated missing feature list

[J-C-V]

Updated missing feature list