feat(isIdentityCard): add TH (Thai)

[tithanayut]

Add support for Thai National ID (TH) in isIdentityCard

Checklist

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

[codecov]

Codecov Report

Merging #1657 (05e148c) into master (d1a9b6d) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master     #1657   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          101       101           
  Lines         1854      1859    +5     
=========================================
+ Hits          1854      1859    +5     

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

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[profnandaa]

LGTM, thanks for your contrib! 🎉