feat(module:table): support filter & fixed header add more table demo

[vthinkxie]

close #86 close #174 close #218

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?

Goals

• Support Fixed Header
• Support Table DropDown Filter
• Add Editable Table Demo
• Add Server Sort and Filter Demo
• Replace Http with HttpClient
• Add rowSpan and colSpan Demo

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[coveralls]

Coverage increased (+0.05%) to 40.4% when pulling 6567705 on vthinkxie:feat-table-fix-header into 414241c on NG-ZORRO:master.

[coveralls]

Coverage increased (+0.003%) to 40.351% when pulling 106e09f on vthinkxie:feat-table-fix-header into 23bdc08 on NG-ZORRO:master.

[coveralls]

Coverage increased (+0.003%) to 40.351% when pulling 106e09f on vthinkxie:feat-table-fix-header into 23bdc08 on NG-ZORRO:master.