Add mecanism to deduce feeds location in special cases

[christophehenry]

First known special case is Youtube playlists for which RSS feed exists but is not published in a <link>.

[codecov]

Codecov Report

Attention: Patch coverage is 38.46154% with 8 lines in your changes missing coverage. Please review.

Project coverage is 19.65%. Comparing base (3a014f6) to head (25ab4ea).
Report is 5 commits behind head on develop.

Files with missing lines	Patch %	Lines
...m/readrops/app/feeds/newfeed/NewFeedScreenModel.kt	0.00%	4 Missing ⚠️
...i/src/main/java/com/readrops/api/utils/ApiUtils.kt	71.42%	0 Missing and 2 partials ⚠️
...va/com/readrops/app/feeds/newfeed/NewFeedScreen.kt	0.00%	2 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop     #272      +/-   ##
=============================================
+ Coverage      19.62%   19.65%   +0.03%     
- Complexity       450      454       +4     
=============================================
  Files            190      190              
  Lines          10089    10097       +8     
  Branches        1576     1578       +2     
=============================================
+ Hits            1980     1985       +5     
- Misses          7990     7991       +1     
- Partials         119      121       +2     

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[Shinokuni]

Oh okay, this is indeed a very special case! LGTM apart that youtube url/playlist checking should be unit tested. Could you extract it in api/utils and provide some tests?

[christophehenry]

Done!

[Shinokuni]

Nice, thanks for this!

[christophehenry]

Awesome! Thanks!