GET /universe/systems/{system_id}/ : Add nebula graphic id

[cppctamber]

Feature Request

Add nebula graphic id to the /universe/systems/{system_id}/ endpoint. Relates to https://github.com/esi/esi-issues/issues/1148

Use case

Allows a user to find the graphic id for a system's nebula

Authentication

A public route, no auth required.

Example return

{
  "constellation_id": 20000001,
  "name": "Akpivem",
  "nebula_graphic_id": 11806,
  "planets": [... ],
  "position": {
    "x": -91174141133075340,
    "y": 43938227486247170,
    "z": -56482824383339900
  },
  "security_class": "B",
  "security_status": 0.8462923765182495,
  "star_id": 40000040,
  "stargates": [ ...  ],
  "system_id": 30000003
}

The nebula graphic ID can be found in the SDE in region.staticdata

Checklist

Check all boxes that apply to this issue:

• [x] Feature request description is provided
• [x] Use case exists
• [ ] Feature requires a new route
• [x] Feature adds data to existing route
• [ ] Feature requires new auth scope
• [ ] Feature can reuse existing scope
• [x] Feature does not require auth
• [ ] Meta feature, applies to all routes