Reworked configuration

[davidv1992]

Moved tls config generation and type conversions into the config parsing, and made settings names more descriptive.

[codecov]

Codecov Report

Attention: Patch coverage is 81.45161% with 23 lines in your changes missing coverage. Please review.

Project coverage is 72.41%. Comparing base (1ae8f79) to head (7c6180e).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/config.rs	88.59%	13 Missing ⚠️
src/pool_ke.rs	0.00%	9 Missing ⚠️
src/lib.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #10      +/-   ##
==========================================
+ Coverage   68.99%   72.41%   +3.41%     
==========================================
  Files           8        8              
  Lines        1922     1950      +28     
==========================================
+ Hits         1326     1412      +86     
+ Misses        596      538      -58     

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