feat(module:typography): support nzSuffix property

[hsuanxyz]

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
[x] 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?

Issue Number: #4620

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[zorro-bot]

This preview will be available after the TravisCI is passed.

[codecov]

Codecov Report

Merging #4629 into master will increase coverage by 0.02%.
The diff coverage is 93.75%.

@@            Coverage Diff             @@
##           master    #4629      +/-   ##
==========================================
+ Coverage   93.18%   93.21%   +0.02%     
==========================================
  Files         501      501              
  Lines       12749    12772      +23     
  Branches     1957     1962       +5     
==========================================
+ Hits        11880    11905      +25     
+ Misses        457      454       -3     
- Partials      412      413       +1

Impacted Files	Coverage Δ
components/core/util/text-measure.ts	91.3% <100%> (+2.8%)	⬆️
components/typography/nz-typography.component.ts	97.76% <92.3%> (-0.47%)	⬇️

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[wzhudev]

LGTM