✨ Maintenance/enhance consistency checks

[sanderegg]

What do these changes do?

• also print out valid files CSV
• added some doc

Related issue/s

How to test

Checklist

[codecov]

Codecov Report

Merging #2533 (71269f8) into master (2b49ad5) will decrease coverage by 0.0%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           master   #2533     +/-   ##
========================================
- Coverage    76.6%   76.6%   -0.1%     
========================================
  Files         610     610             
  Lines       23397   23397             
  Branches     2294    2294             
========================================
- Hits        17936   17929      -7     
- Misses       4857    4864      +7     
  Partials      604     604             

Flag	Coverage Δ
integrationtests	66.3% <ø> (-0.1%)	⬇️
unittests	70.8% <ø> (-0.1%)	⬇️

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

Impacted Files	Coverage Δ
..._director_v2/modules/dynamic_sidecar/client_api.py	76.6% <0.0%> (-3.4%)	⬇️
...ector_v2/modules/dynamic_sidecar/scheduler/task.py	91.0% <0.0%> (-2.6%)	⬇️
...erver/src/simcore_service_webserver/director_v2.py	75.2% <0.0%> (-1.2%)	⬇️
...simcore_service_webserver/projects/projects_api.py	83.0% <0.0%> (-0.4%)	⬇️
..._director_v2/modules/dynamic_sidecar/docker_api.py	86.4% <0.0%> (+0.6%)	⬆️
...ce_webserver/resource_manager/garbage_collector.py	74.7% <0.0%> (+0.8%)	⬆️