API endpoint that allows Agencies to be viewed.

GET:
Return a list of all the existing users.

MODE:
Normal and Detailed
/2.0.0/agencies/?mode=detailed

FILTERS:
Parameters - 'featured', 'agency_type', 'country_code'
Example - /2.0.0/agencies/?featured=true

SEARCH EXAMPLE:
/2.0.0/agencies/?search=nasa

ORDERING:
Fields - 'id', 'name', 'featured'
Example - /2.0.0/agencies/?ordering=featured

GET /2.0.0/agencies/133/
HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept

{
    "id": 133,
    "url": "https://ll.thespacedevs.com/2.0.0/agencies/133/",
    "name": "Aerojet",
    "featured": false,
    "type": "Commercial",
    "country_code": "USA",
    "abbrev": "Aerojet",
    "description": "An American Propulsion and Rocket manufacturer founded in 1942 that worked on major projects for NASA such as the Apollo CM main engine, the Space Shuttle Orbital Maneuvering System, and engines for the Titan Rockets the launched the likes of Voyager. They merged with Rocketdyne in 2013.",
    "administrator": null,
    "founding_year": "1942",
    "launchers": "Aerobee, Aerojet General X-8",
    "spacecraft": "None",
    "parent": null,
    "launch_library_url": "https://launchlibrary.net/1.4/agency/133",
    "total_launch_count": 0,
    "successful_launches": 0,
    "consecutive_successful_launches": 0,
    "failed_launches": 0,
    "pending_launches": 0,
    "successful_landings": 0,
    "failed_landings": 0,
    "attempted_landings": 0,
    "consecutive_successful_landings": 0,
    "info_url": null,
    "wiki_url": "http://en.wikipedia.org/wiki/Aerojet",
    "logo_url": null,
    "image_url": null,
    "nation_url": null,
    "launcher_list": [],
    "spacecraft_list": []
}