Allow configuration files with yml extension

[adamantike]

If a collector.yml or scrutiny.yml configuration file is present, use it as long as a .yaml version is not available too.

Fixes #79

[codecov-commenter]

Codecov Report

Merging #472 (932e191) into master (0febe3f) will decrease coverage by 1.77%.
The diff coverage is 1.92%.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@            Coverage Diff             @@
##           master     #472      +/-   ##
==========================================
- Coverage   32.54%   30.78%   -1.77%     
==========================================
  Files          54       29      -25     
  Lines        3045     2706     -339     
  Branches       66        0      -66     
==========================================
- Hits          991      833     -158     
+ Misses       2018     1843     -175     
+ Partials       36       30       -6     

Flag	Coverage Δ
unittests	30.78% <1.92%> (-1.77%)	⬇️

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

Impacted Files	Coverage Δ
webapp/backend/pkg/config/config.go	0.00% <0.00%> (ø)
webapp/backend/pkg/database/scrutiny_repository.go	11.65% <0.00%> (-0.96%)	⬇️
...end/pkg/database/scrutiny_repository_migrations.go	0.00% <0.00%> (ø)
webapp/backend/pkg/web/server.go	62.26% <100.00%> (-4.41%)	⬇️

... and 25 files with indirect coverage changes

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[AnalogJ]

Thanks for the PR @adamantike !
Haha this issue has been open for a while, thanks for picking it up.