feat: add ptx and xmpiro2sx

[Ernst79]

feat: add ptx and xmpiro2sx

Add Xiaomi Human Body Sensor 2S (XMPIRO2SXS)
Add Xiaomi PTX wireless switch (PTX)
Fix for Xiaomi Button (XMWXKG01LM)

[codecov]

Codecov Report

Attention: Patch coverage is 41.17647% with 10 lines in your changes are missing coverage. Please review.

Project coverage is 56.14%. Comparing base (9918c70) to head (0341448).
Report is 1 commits behind head on main.

Files	Patch %	Lines
src/xiaomi_ble/parser.py	41.17%	9 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #74      +/-   ##
==========================================
+ Coverage   56.07%   56.14%   +0.07%     
==========================================
  Files           6        6              
  Lines         979      992      +13     
  Branches      210      210              
==========================================
+ Hits          549      557       +8     
- Misses        332      336       +4     
- Partials       98       99       +1     

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