feat(api): add cors headers middleware

[jooola]

Sets the base for CORS request on the API, this will probably need more tweaking in the config later on.

[codecov]

Codecov Report

Merging #2479 (682fe0a) into main (d2f93f7) will increase coverage by 10.74%.
The diff coverage is 48.36%.

@@             Coverage Diff             @@
##             main    #2479       +/-   ##
===========================================
+ Coverage   58.60%   69.34%   +10.74%     
===========================================
  Files         146      149        +3     
  Lines        4343     4006      -337     
===========================================
+ Hits         2545     2778      +233     
+ Misses       1798     1228      -570     

Flag	Coverage Δ
analyzer	46.91% <27.27%> (-0.43%)	⬇️
api	93.68% <72.22%> (-0.29%)	⬇️
api-client	64.40% <55.81%> (+23.41%)	⬆️
playout	46.43% <44.09%> (+20.63%)	⬆️
shared	88.39% <88.88%> (+0.15%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
analyzer/libretime_analyzer/main.py	0.00% <0.00%> (ø)
api/libretime_api/core/models/preference.py	100.00% <ø> (ø)
playout/libretime_playout/liquidsoap/main.py	0.00% <0.00%> (ø)
playout/libretime_playout/main.py	0.00% <0.00%> (ø)
playout/libretime_playout/notify/main.py	0.00% <0.00%> (ø)
playout/libretime_playout/player/file.py	27.08% <7.69%> (+27.08%)	⬆️
playout/libretime_playout/player/liquidsoap.py	22.65% <25.00%> (+22.65%)	⬆️
playout/libretime_playout/player/push.py	40.62% <33.33%> (+40.62%)	⬆️
...out/libretime_playout/liquidsoap/client/_client.py	32.94% <37.50%> (-0.80%)	⬇️
playout/libretime_playout/message_handler.py	42.00% <42.85%> (+42.00%)	⬆️
... and 23 more

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