Update lib.rs

[ivan9989-pkj]

We updated the installation part of lib.rs and changed some other small bugs in the Configuration part.

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 78.95%. Comparing base (9a1ce0e) to head (191f3bd).
Report is 4 commits behind head on develop.

Files	Patch %	Lines
src/lib.rs	80.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #815      +/-   ##
===========================================
+ Coverage    78.93%   78.95%   +0.01%     
===========================================
  Files          162      162              
  Lines         9186     9194       +8     
===========================================
+ Hits          7251     7259       +8     
  Misses        1935     1935              

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[josecelano]

Thank you @ivan9989-pkj . This needs:

• A rebase.
• Fix formatting: https://github.com/torrust/torrust-tracker/actions/runs/8847624843/job/24364240395?pr=815