refactor(module:tag): refactor tag support OnPush

[cipchk]

• clean some typo about nz-tag. Update basic.md #2457

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)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[x] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

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[codecov]

Codecov Report

Merging #2606 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2606      +/-   ##
==========================================
- Coverage   95.64%   95.64%   -0.01%     
==========================================
  Files         495      495              
  Lines       12052    12044       -8     
  Branches     1680     1681       +1     
==========================================
- Hits        11527    11519       -8     
  Misses        167      167              
  Partials      358      358

Impacted Files	Coverage Δ
components/tag/nz-tag.component.ts	100% <100%> (ø)	⬆️

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