Service manager

[einarmo]

Rewrite of the old UI tool we use to manage services in the .NET extractors. This unifies them into a single executable, and makes the UI nicer.

The idea is that we will build the tool in this repo, then simply include it elsewhere as needed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.95%. Comparing base (ec61354) to head (f11f26a).
⚠️ Report is 243 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #378      +/-   ##
==========================================
- Coverage   75.97%   75.95%   -0.02%     
==========================================
  Files         100      100              
  Lines       10298    10298              
  Branches     1583     1583              
==========================================
- Hits         7824     7822       -2     
- Misses       1869     1871       +2     
  Partials      605      605              

see 2 files with indirect coverage changes

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[toondaey]

Is this PR still relevant? Just noticed it's been opened for over a year now.