feat(material/card): support filled variant

[naaajii]

feat(material/card): support filled variant

this commit add filled variant for material card which provides subtle seperation from background and has less emphasis than elevated or outlined cards

fixes #29840

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docs(material/card): add each appearance example

update the example to contain elevated, outlined & filled variants

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I tried to have a swing at this and it might be not perfect.

[mmalerba]

Caretaker note: will need to add internal equivalents for the newly defined tokens

[mmalerba]

This needs rebase, @andrewseguin has been making some changes to how the tokens are organized

[naaajii]

ERROR: D:/open-source/components/BUILD.bazel:16:22: Extracting npm package yargs-parser@21.1.1 [for tool] failed: (Exit 1): tar.exe failed: error executing command (from target //:.aspect_rules_js/node_modules/yargs-parser@21.1.1/pkg) external\bsd_tar_windows_amd64\tar.exe --extract --no-same-owner --no-same-permissions --strip-components 1 --file external/npm2__yargs-parser__21.1.1/package.tgz --directory ... (remaining 1 argument skipped)
tar.exe: Error opening archive: Can't initialize filter; unable to run program "gzip -d"
Target //src/dev-app:devserver failed to build
Use --verbose_failures to see the command lines of failed build steps.
INFO: Elapsed time: 1.286s, Critical Path: 0.21s
INFO: 14 processes: 14 internal.
FAILED: Build did NOT complete successfully

I seem to be running into these issues when running dev-app locally. I will set up a VMware tonight to check changes throughly just in case I didn't miss out something in rebase.

edit: I did also try to install package via choco but still seem to be having issue as referenced here

edit again: I missed alot of things..

[naaajii]

M3:

M2:

[github-actions]

Deployed dev-app for 318dcb3 to: https://ng-dev-previews-comp--pr-angular-components-29868-dev-iorxya0z.web.app

Note: As new commits are pushed to this pull request, this link is updated after the preview is rebuilt.

[github-actions]

Deployed docs-preview for 318dcb3 to: https://ng-dev-previews-comp--pr-angular-components-29868-docs-tplx6v1g.web.app

Note: As new commits are pushed to this pull request, this link is updated after the preview is rebuilt.

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