fix: address code smells and other issues

[edgarrmondragon]

See https://sonarcloud.io/project/issues\?id\=edgarrmondragon_citric\&resolved\=false

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov-commenter]

Codecov Report

Merging #215 (01b5215) into master (487359d) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #215   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines          228       228           
  Branches        26        26           
=========================================
  Hits           228       228           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 487359d...01b5215. Read the comment docs.