Add a parameter to the command to set the redirect URL after auth

[pacoorozco]

What issue type does this pull request address? (keep at least one, remove the others)
/kind feature

What is this pull request for? Which issues does it resolve? (use resolves #<issue_number> if possible)
resolves #402

Does this pull request has user-facing changes? (e.g. config changes, new/modified commands, new/modified flags)
Yes, new parameter to set the Redurect URL after the OAuth 2.0 authentication

Does this pull request add new dependencies?
No

[codecov]

Codecov Report

Merging #404 (7635aee) into main (dee3165) will decrease coverage by 0.07%.
Report is 2 commits behind head on main.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #404      +/-   ##
==========================================
- Coverage   65.32%   65.25%   -0.07%     
==========================================
  Files          22       22              
  Lines         946      947       +1     
==========================================
  Hits          618      618              
- Misses        304      305       +1     
  Partials       24       24              

Files	Coverage Δ
internal/app/oauth.go	0.00% <0.00%> (ø)

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