imp(types): add more luals type annotations

[OscarCreator]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 90.47619% with 8 lines in your changes are missing coverage. Please review.

Project coverage is 94.4%. Comparing base (515166b) to head (3b09371).
Report is 1 commits behind head on master.

Files	Patch %	Lines
lua/rsync/commands.lua	89.3%	8 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #125     +/-   ##
========================================
+ Coverage    94.2%   94.4%   +0.1%     
========================================
  Files           5       6      +1     
  Lines         332     340      +8     
========================================
+ Hits          313     321      +8     
  Misses         19      19             

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