feat(module:date-picker): refactoring and add new feature of year-picker

[wilsoncook]

…onth panel

close #1899

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: #416

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[codecov]

Codecov Report

Merging #1906 into master will decrease coverage by 0.02%.
The diff coverage is 96.61%.

@@            Coverage Diff             @@
##           master    #1906      +/-   ##
==========================================
- Coverage   95.97%   95.95%   -0.03%     
==========================================
  Files         466      468       +2     
  Lines       11217    11240      +23     
  Branches     1474     1473       -1     
==========================================
+ Hits        10766    10785      +19     
  Misses        131      131              
- Partials      320      324       +4

Impacted Files	Coverage Δ
components/date-picker/month-picker.component.ts	88.88% <100%> (-11.12%)	⬇️
...e-picker/lib/calendar/calendar-header.component.ts	98.71% <100%> (-0.02%)	⬇️
components/date-picker/date-picker.module.ts	100% <100%> (ø)	⬆️
components/date-picker/year-picker.component.ts	88.88% <88.88%> (ø)
components/date-picker/header-picker.component.ts	97.14% <97.14%> (ø)
components/table/nz-table.component.ts	94.76% <0%> (-0.59%)	⬇️

---

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 8e7a6cb...3ab84ef. Read the comment docs.