feat: endpoint to serve readable content

[Monirzadeh]

this Pull request serve readable content (text only and html) on /api/v1/bookmarks/id/readable

• serve HTML and text of bookmarks
• be sure it authenticate correctly
• fix bug related to send duplicate response if user not authenticate
  bug found wait for fix
• add unit test

[codecov]

Codecov Report

Attention: Patch coverage is 89.28571% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 30.03%. Comparing base (595cb45) to head (165e3a4).
Report is 18 commits behind head on master.

Files	Patch %	Lines
internal/http/routes/api/v1/bookmarks.go	89.28%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #885      +/-   ##
==========================================
+ Coverage   25.58%   30.03%   +4.45%     
==========================================
  Files          47       60      +13     
  Lines        5628     4341    -1287     
==========================================
- Hits         1440     1304     -136     
+ Misses       3989     2830    -1159     
- Partials      199      207       +8     

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[fmartingr]

A fix for the auth middleware: #888

[fmartingr]

I like how you called the endpoint "readable" instead of "content", we should probably do that in the code as well. I always confused "content" with "archive". Readable is a better name for this.

[Monirzadeh]

Thanks ❤️