feat(module:upload): add upload component

[cipchk]

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: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[cipchk]

无法编译通过，已知错误 #9550

Worked for me, tnx to all!
npm install copy-webpack-plugin@4.3.0 --save
p.s. I had to put --save to add to package/json
Fwi, is this temp solution, or?

[coveralls]

Coverage decreased (-0.2%) to 98.024% when pulling a0ca92a on cipchk:upload into bd3b710 on NG-ZORRO:0.7.0.

[vthinkxie]

I just remove --prod to pass the ci

[codecov]

Codecov Report

Merging #1040 into 0.7.0 will increase coverage by 0.13%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##            0.7.0    #1040      +/-   ##
==========================================
+ Coverage   97.75%   97.88%   +0.13%     
==========================================
  Files         146      149       +3     
  Lines        4847     5159     +312     
  Branches      575      620      +45     
==========================================
+ Hits         4738     5050     +312     
  Partials      109      109

Impacted Files	Coverage Δ
components/upload/nz-upload-btn.component.ts	100% <100%> (ø)
components/upload/nz-upload-list.component.ts	100% <100%> (ø)
components/upload/nz-upload.component.ts	100% <100%> (ø)

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