feat: implement oAuth for Camunda Webapp

[DaAnda97]

closes #367

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 7.69231% with 12 lines in your changes missing coverage. Please review.

Project coverage is 50.49%. Comparing base (7e7d0fc) to head (626003f).

Files	Patch %	Lines
...iranum/connect/Camunda7oAuthAutoConfiguration.java	0.00%	12 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #433      +/-   ##
============================================
- Coverage     50.77%   50.49%   -0.29%     
  Complexity      205      205              
============================================
  Files           150      150              
  Lines          1603     1612       +9     
  Branches        113      114       +1     
============================================
  Hits            814      814              
- Misses          757      766       +9     
  Partials         32       32              

Flag	Coverage Δ
unittests	50.49% <7.69%> (-0.29%)	⬇️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.