Feat/web api missing functions

[abderrahmaneMustapha]

Description

i added some missing functions , that i need to use in leblad web api

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [X] This change requires a documentation update
• [ ] Updated the dataset

Checklist:

• [X] I checked that there's no dataset update (can be done by running npm run update-dataset)
• [X] npm test passes on my machine
• [X] npm run lint passes on my machine

[codecov-commenter]

Codecov Report

Merging #69 (b7b52a9) into develop (5cd401b) will not change coverage. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##           develop       #69   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           19        23    +4     
  Lines          164       210   +46     
  Branches        31        38    +7     
=========================================
+ Hits           164       210   +46     

Impacted Files	Coverage Δ
.../api/getBaladiyaByCodeAndDairaCodeAndWilayaCode.js	100.00% <100.00%> (ø)
src/api/getBaldiyaByCodeForWilaya.js	100.00% <100.00%> (ø)
...c/api/getBaldiyatsForDairaByCodeForWilayaByCode.js	100.00% <100.00%> (ø)
src/api/getDairaByCodeAndWilayaCode.js	100.00% <100.00%> (ø)
src/index.js	100.00% <100.00%> (ø)

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[abderrahmaneMustapha]

@ZibanPirate done , i updated the documentation