feat: add support for DR Congo mobile phone validation (fr-CD)

[coolbeatz71]

• fixes #2040

Checklist

• [x] PR contains only changes related; no stray files, etc.
• [x] README updated (where applicable)
• [x] Tests written (where applicable)

[codecov[bot]]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage :thumbsup:

Coverage data is based on head (34b1099) compared to base (7b47f53). Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff            @@
##            master     #2041   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          104       104           
  Lines         2308      2308           
  Branches       578       578           
=========================================
  Hits          2308      2308           

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

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[coolbeatz71]

Hey @rubiin, can anyone please review this PR?

[coolbeatz71]

Hey @tux-tn @rubiin, can I expect this PR to be merged soon? Or somebody else needs to review it.

[coolbeatz71]

Hey @profnandaa, your review on this PR will be highly appreciated. 😊

[profnandaa]

combined in #2164