feat(isTaxID): Adds PAN (en-IN) support to isTaxID

[Aman9723]

This commit introduces Indian TIN (PAN) support to isTaxID(..) method.

Reference

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

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

Coverage data is based on head (ff0de2f) compared to base (43803c0).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff            @@
##            master     #2182   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          106       106           
  Lines         2348      2348           
  Branches       593       593           
=========================================
  Hits          2348      2348           

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

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[Santhosh-Kumar-99]

Hi @Aman9723
There is a PR open already for PAN and GSTIN -> #2153

[Aman9723]

@Santhosh-Kumar-99 thanks for letting me know.
I am new to open-source. So, should I be checking the previous PRs before working on a new feature? And should I close this pull request?

[Santhosh-Kumar-99]

@Aman9723 welcome to the community !
Yes please make sure to check for existing open PRs and their status, before working on new feature.

You can close this PR. 👍