Add SocketHandler

[aminalaee]

From CPython here.

• The tests would be cleaner if they were using classes but we would lose pytest features like repeat and fixtures
• I specifically didn't add the benchmarks as they would need extra work for the server. Maybe we can add them in a separate PR.

[codecov-commenter]

Codecov Report

Merging #48 (7a00567) into main (81fa4e6) will increase coverage by 0.62%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #48      +/-   ##
==========================================
+ Coverage   85.65%   86.28%   +0.62%     
==========================================
  Files          10       10              
  Lines        1799     1881      +82     
==========================================
+ Hits         1541     1623      +82     
  Misses        258      258              

Impacted Files	Coverage Δ
src/picologging/handlers.py	93.82% <100.00%> (+1.49%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.