Add server actions

[sndnv]

• Updates server to support actions and events
• Updates Android config to set build time based on git commit
• Updates Android client caching for improved usability
• Updates desktop client CLI and UI to support a larger range of client maintenance tasks
• Dependency updates
• Various fixes and UI improvements

[codecov]

Codecov Report

❌ Patch coverage is 99.05213% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 99.92%. Comparing base (7dacd08) to head (75d35d0).
⚠️ Report is 26 commits behind head on master.

Files with missing lines	Patch %	Lines
client-cli/client_cli/__main__.py	80.95%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #67      +/-   ##
==========================================
- Coverage   99.95%   99.92%   -0.04%     
==========================================
  Files         365      380      +15     
  Lines       12157    12994     +837     
  Branches      910     1014     +104     
==========================================
+ Hits        12152    12984     +832     
- Misses          5       10       +5     

Flag	Coverage Δ
python	99.70% <98.84%> (-0.18%)	⬇️
scala	99.96% <100.00%> (-0.01%)	⬇️

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