Expose Attachment Settings in the API

[6543]

close #12368

[codecov-commenter]

Codecov Report

Merging #12514 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master   #12514   +/-   ##
=======================================
  Coverage   43.39%   43.40%           
=======================================
  Files         647      647           
  Lines       71487    71495    +8     
=======================================
+ Hits        31024    31034   +10     
+ Misses      35445    35437    -8     
- Partials     5018     5024    +6     

Impacted Files	Coverage Δ
routers/api/v1/api.go	79.08% <100.00%> (+0.03%)	⬆️
routers/api/v1/settings/settings.go	100.00% <100.00%> (ø)
modules/indexer/stats/db.go	43.47% <0.00%> (-26.09%)	⬇️
modules/indexer/stats/queue.go	52.94% <0.00%> (-23.53%)	⬇️
modules/queue/unique_queue_channel.go	58.06% <0.00%> (-6.46%)	⬇️
modules/log/file.go	73.60% <0.00%> (-1.61%)	⬇️
models/issue_comment.go	53.90% <0.00%> (+0.15%)	⬆️
modules/log/event.go	57.54% <0.00%> (+0.94%)	⬆️
modules/queue/workerpool.go	60.00% <0.00%> (+1.22%)	⬆️
services/mirror/mirror.go	19.93% <0.00%> (+1.35%)	⬆️
... and 2 more

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[silverwind]

Will this conflict #12465? There we will add a new repository.release.ALLOWED_TYPES setting specific to releases.

[6543]

@silverwind looks not - but i think it is good to wait for your pull since then it would make more sence to add some things to other api endpoints ... (allowed for Repo specific ...)

[6543]

@mrsdizzie done