feat(module:experimental-image): add experimental image component

[stygian-desolator]

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: #6514

What is the new behavior?

add new experimental component nz-image-view

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #6590 (cf7d45c) into master (1ec3f64) will decrease coverage by 0.20%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #6590      +/-   ##
==========================================
- Coverage   89.88%   89.68%   -0.21%     
==========================================
  Files         479      484       +5     
  Lines       15489    15625     +136     
  Branches     2522     2545      +23     
==========================================
+ Hits        13923    14014      +91     
- Misses        943      980      +37     
- Partials      623      631       +8     

Impacted Files	Coverage Δ
components/core/config/config.ts	100.00% <ø> (ø)
components/image/image-preview-options.ts	100.00% <ø> (ø)
components/image/image-preview.component.ts	90.13% <ø> (ø)
components/core/services/image-preload.ts	30.55% <30.55%> (ø)
components/experimental/image/image.component.ts	72.97% <72.97%> (ø)
components/image/image.directive.ts	90.41% <88.88%> (+1.01%)	⬆️
components/experimental/image/image-loader.ts	100.00% <100.00%> (ø)
components/experimental/image/image.module.ts	100.00% <100.00%> (ø)
components/experimental/image/utils.ts	100.00% <100.00%> (ø)
... and 4 more

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[vthinkxie]

cc @mgechev
The preview URL is https://preview-6590-ng-zorro-antd.surge.sh/experimental/experimental-image/en