feat(schematics): add locale option in 'ng-add'

[levart]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[*] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

add Georgian locale in 'ng-add' schematic

Does this PR introduce a breaking change?

[ ] Yes
[ ] No

Other information

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #4786 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4786      +/-   ##
==========================================
- Coverage   93.21%   93.19%   -0.02%     
==========================================
  Files         505      505              
  Lines       12742    12742              
  Branches     1955     1955              
==========================================
- Hits        11877    11875       -2     
  Misses        455      455              
- Partials      410      412       +2

Impacted Files	Coverage Δ
components/time-picker/time-holder.ts	96.64% <0%> (-1.35%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 760512a...a98f0ed. Read the comment docs.