DHT22: add dht22 support

[undeadpelmen]

add support to dht22 sensor

[codecov]

Codecov Report

❌ Patch coverage is 0% with 71 lines in your changes missing coverage. Please review.
✅ Project coverage is 52.6%. Comparing base (55d75a3) to head (b86c344).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
dht22/dht22.go	0.0%	71 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.0%) is below the target coverage (40.0%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##            main    #111     +/-   ##
=======================================
+ Coverage   52.5%   52.6%   +0.1%     
=======================================
  Files        116     117      +1     
  Lines      14716   11801   -2915     
=======================================
- Hits        7725    6205   -1520     
+ Misses      6627    5232   -1395     
  Partials     364     364             

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[maruel]

Let's fix the unrelated errors in a separate change. Thanks!