feat: add max_date to Home Assistant WS import

[m4dm4rtig4n]

new feat: issue #445

[codecov]

Codecov Report

Attention: 7 lines in your changes are missing coverage. Please review.

Comparison is base (bdee3e1) 28.49% compared to head (b4641af) 28.49%.
Report is 7 commits behind head on main.

Files	Patch %	Lines
src/models/export_home_assistant_ws.py	0.00%	5 Missing ⚠️
src/models/database.py	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #488      +/-   ##
==========================================
- Coverage   28.49%   28.49%   -0.01%     
==========================================
  Files          31       31              
  Lines        5225     5233       +8     
==========================================
+ Hits         1489     1491       +2     
- Misses       3736     3742       +6     

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