Added mobile phone validations for the 10 countries.

[amansaurabh]

feat(phone-validations): added validations for Croatia, Swaziland, Basque, Laos, Macedonia, Saint Vincent and the Grenadines, Grenada, Botswana, Palau, Tonga

Added phone number validations for multiple countries

This PR includes validations for phone numbers in Croatia, Swaziland, Basque, Laos, Macedonia, Saint Vincent and the Grenadines, Grenada, Botswana, Palau, and Tonga.

Enhanced #1761

Checklist

• PR contains only changes related; no stray files, etc.
• README updated (where applicable)
• Tests written (where applicable)
• References provided in PR (where applicable)

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (b958bd7) 99.95% compared to head (6a12aef) 99.95%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2302      +/-   ##
==========================================
- Coverage   99.95%   99.95%   -0.01%     
==========================================
  Files         107      107              
  Lines        2454     2449       -5     
  Branches      619      619              
==========================================
- Hits         2453     2448       -5     
  Partials        1        1              

Files	Coverage Δ
src/lib/isMobilePhone.js	100.00% <ø> (ø)

... and 3 files with indirect coverage changes

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[Daniyal-Qureshi]

Please add the relevant test cases.

[amansaurabh]

Please add the relevant test cases.
I'm new to writing tests and could use some guidance on where and how to add them.
Could you please help me in the right direction or provide some examples of what a good test case looks like in this context?

[WikiRik]

Please add tests in the validators.test.js file and provide sources for these validators in the PR description

[amansaurabh]

I added test cases. please review my PR

[Sufiane]

any update on this PR ?

[rubiin]

add references as well