refactor(favorites)!: introduce favorites table with positioning

[ecrupper]

Description

This PR is the implementation of transforming the User.Favorites slice to a relational table that maps user_ids to repo_ids with positioning.

This will allow for the UI to render user's favorite repos in their preferred order every time. Further, it prevents the issue of capping favorites at 5000 total characters.

This PR does not include the deprecation of the User.Favorites field. That will be a follow up PR.

Breaking Changes

New table favorites, which will have to be created with data inserted from the existing users table. This will have to be addressed in the migration.

Endpoints

POST /api/v1/user/favorites

curl -X POST -H 'content-type: application/json' -H "Authorization: Bearer $V_TOKEN" http://vela-server/api/v1/user/favorites -d '{"repo": "foo/bar"}'

GET /api/v1/user/favorites

curl -H 'content-type: application/json' -H "Authorization: Bearer $V_TOKEN" http://vela-server/api/v1/user/favorites | jq 

[
  {
    "position": 1,
    "repo": "foo/bar"
  },
  {
    "position": 2,
    "repo": "foo/baz"
  },
  {
    "position": 3,
    "repo": "bar/foo"
  }
]

PUT /api/v1/user/favorites/:org/:repo

curl -X PUT -H 'content-type: application/json' -H "Authorization: Bearer $V_TOKEN" http://vela-server/api/v1/user/favorites/foo/bar -d '{"position": 1}'   

DELETE /api/v1/user/favorites/:org/:repo

curl -X DELETE -H 'content-type: application/json' -H "Authorization: Bearer $V_TOKEN" http://vela-server/api/v1/user/favorites/foo/bar  

[codecov]

Codecov Report

❌ Patch coverage is 61.34752% with 109 lines in your changes missing coverage. Please review.
✅ Project coverage is 58.19%. Comparing base (3572fd8) to head (798e151).

Files with missing lines	Patch %	Lines
database/favorite/update_position.go	64.70%	9 Missing and 9 partials ⚠️
api/favorite/update.go	0.00%	16 Missing ⚠️
api/favorite/create.go	0.00%	15 Missing ⚠️
api/favorite/delete.go	0.00%	10 Missing ⚠️
api/favorite/list.go	0.00%	9 Missing ⚠️
database/favorite/favorite.go	52.63%	5 Missing and 4 partials ⚠️
database/favorite/delete.go	74.19%	4 Missing and 4 partials ⚠️
router/favorite.go	0.00%	7 Missing ⚠️
database/favorite/index.go	63.63%	2 Missing and 2 partials ⚠️
database/testutils/api_resources.go	0.00%	4 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1367      +/-   ##
==========================================
+ Coverage   58.15%   58.19%   +0.03%     
==========================================
  Files         634      649      +15     
  Lines       24589    24871     +282     
==========================================
+ Hits        14300    14473     +173     
- Misses       9639     9726      +87     
- Partials      650      672      +22     

Files with missing lines	Coverage Δ
api/types/favorite.go	100.00% <100.00%> (ø)
database/database.go	67.44% <ø> (ø)
database/favorite/opts.go	100.00% <100.00%> (ø)
database/types/favorite.go	100.00% <100.00%> (ø)
router/user.go	0.00% <0.00%> (ø)
database/favorite/create.go	89.47% <89.47%> (ø)
database/favorite/list_user.go	88.88% <88.88%> (ø)
database/favorite/table.go	84.61% <84.61%> (ø)
database/resource.go	79.08% <75.00%> (-0.23%)	⬇️
database/favorite/index.go	63.63% <63.63%> (ø)
... and 9 more

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