feat(module:page-header): new pageheader style and support avatar

[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: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[codecov]

Codecov Report

Merging #4208 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #4208      +/-   ##
==========================================
+ Coverage   92.31%   92.33%   +0.02%     
==========================================
  Files         519      520       +1     
  Lines       10963    10965       +2     
  Branches     1984     1984              
==========================================
+ Hits        10120    10125       +5     
+ Misses        420      418       -2     
+ Partials      423      422       -1

Impacted Files	Coverage Δ
components/page-header/nz-page-header.module.ts	100% <ø> (ø)	⬆️
components/page-header/demo/content.ts	100% <ø> (ø)	⬆️
components/page-header/demo/actions.ts	100% <ø> (ø)	⬆️
components/page-header/demo/breadcrumb.ts	100% <ø> (ø)	⬆️
components/page-header/demo/responsive.ts	100% <100%> (ø)
components/page-header/nz-page-header-cells.ts	100% <100%> (ø)	⬆️
components/typography/nz-typography.component.ts	98.96% <0%> (+1.03%)	⬆️
components/menu/nz-menu-item.directive.ts	79.45% <0%> (+2.73%)	⬆️

---

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 a0fe3fa...b59877f. Read the comment docs.

[netlify]

Deploy preview for ng-zorro-master ready!

Built with commit b59877f

https://deploy-preview-4208--ng-zorro-master.netlify.com

[vthinkxie]

LGTM

[Svetomechc]

This breaks the page header for me for some reason:

8.3.0:

[hsuanxyz]

Thank, we have found the breakchange in styles, we will fix it in the next version.

[Svetomechc]

Thanks!