feat: add connect scanner helper

[bdraco]

No description provided.

[codecov]

Codecov Report

Attention: 21 lines in your changes are missing coverage. Please review.

Comparison is base (7732629) 1.93% compared to head (369831d) 40.47%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
src/bleak_esphome/connect.py	41.66%	21 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            main       #4       +/-   ##
==========================================
+ Coverage   1.93%   40.47%   +38.54%     
==========================================
  Files          7        9        +2     
  Lines        466      504       +38     
  Branches      88       90        +2     
==========================================
+ Hits           9      204      +195     
+ Misses       457      298      -159     
- Partials       0        2        +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.