Add Tuya rain sensor - _TZ3210_tgvtvdoc

[prairiesnpr]

Proposed change

Adds: _TZ3210_tgvtvdoc

Based on: #3475
Closes: #3249

Requires a resolution to zigpy/zha#327

Additional information

Requires: #3643

Checklist

• The changes are tested and work correctly
• pre-commit checks pass / the code has been formatted using Black
• Tests have been added to verify that the new code works

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.10%. Comparing base (6c5fc22) to head (831e444).

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #3656      +/-   ##
==========================================
+ Coverage   90.09%   90.10%   +0.01%     
==========================================
  Files         320      321       +1     
  Lines       10431    10443      +12     
==========================================
+ Hits         9398     9410      +12     
  Misses       1033     1033              

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[Fredyy90]

I just tried your chages as a custom quirk in HASS looks like the battery state isn't working with it.