feat(isPostalCode): support for IR locale

[masoudDaliriyan]

{{ briefly describe what you have done in this PR }}

Checklist

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

[codecov]

Codecov Report

Merging #1515 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1515   +/-   ##
=======================================
  Coverage   99.92%   99.92%           
=======================================
  Files          96       96           
  Lines        1277     1277           
=======================================
  Hits         1276     1276           
  Misses          1        1           

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

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[profnandaa]

LGTM, please update the README too. Thanks for your contrib! 🎉

[masoudDaliriyan]

LGTM, please update the README too. Thanks for your contrib! 🎉

@profnandaa IR locale already was existed on REDME.

[profnandaa]

oh, got it, thx

On Thu, Nov 19, 2020 at 6:33 PM msdDaliriyan ***@***.***> wrote: LGTM, please update the README too. Thanks for your contrib! 🎉 @profnandaa <https://github.com/profnandaa> IR locale already was existed on REDME. [image: Screen Shot 2020-11-19 at 18 56 37] <https://user-images.githubusercontent.com/25932831/99686996-65ba4080-2a99-11eb-9758-b882cb2781f2.png> — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#1515 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAB7ZEKRUHYV52D3ESH2JSTSQU3GHANCNFSM4TJJ3KAA> .

-- Sent from a tiny device while on the move.

[masoudDaliriyan]

@profnandaa please remove needs-update tag

[profnandaa]

LGTM, thanks for your contribution.