♻️ webserver: fixes mypy issues in version_control plugin

[pcrespov]

What do these changes do?

• fixes mypy issues in webserver's version_control plugin
• moves plugin to folder version_control
  • shortens names of plugin modules
  • protected-prefix (_) for internal modules (i.e. cannot be imported outside the plugin)

Related issue/s

• related to Maintenance: make mypy pass in all services/packages in repo #4071

[codecov]

Codecov Report

Merging #4102 (982e92d) into master (10d1ef7) will decrease coverage by 2.8%.
The diff coverage is 93.8%.

@@            Coverage Diff            @@
##           master   #4102      +/-   ##
=========================================
- Coverage    85.8%   83.0%    -2.8%     
=========================================
  Files         733     398     -335     
  Lines       33985   20616   -13369     
  Branches      843     174     -669     
=========================================
- Hits        29175   17121   -12054     
+ Misses       4610    3446    -1164     
+ Partials      200      49     -151     

Flag	Coverage Δ
integrationtests	66.6% <77.1%> (-0.1%)	⬇️
unittests	84.0% <93.8%> (+1.5%)	⬆️

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

Impacted Files	Coverage Δ
...imcore_service_webserver/version_control/errors.py	100.0% <ø> (ø)
...rc/simcore_service_webserver/version_control/db.py	91.9% <78.9%> (ø)
...re_service_webserver/version_control/vc_changes.py	72.7% <80.0%> (ø)
...core_service_webserver/meta_modeling_iterations.py	87.7% <90.0%> (ø)
...server/src/simcore_service_webserver/_constants.py	100.0% <100.0%> (ø)
...erver/src/simcore_service_webserver/application.py	97.8% <100.0%> (ø)
.../simcore_service_webserver/director_v2_handlers.py	92.7% <100.0%> (ø)
...e_service_webserver/login/handlers_confirmation.py	90.6% <100.0%> (-0.1%)	⬇️
...src/simcore_service_webserver/login/utils_email.py	93.3% <100.0%> (ø)
...imcore_service_webserver/meta_modeling_handlers.py	84.2% <100.0%> (ø)
... and 9 more

... and 423 files with indirect coverage changes

[codeclimate]

Code Climate has analyzed commit 982e92d and detected 0 issues on this pull request.

View more on Code Climate.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication