M3 Typography

[PatelUtkarsh]

Summary

• Add m3 css classes.
• Migrate m2 to m3 based on map provided in [M3] Typography Tokens simplification #314
• Add m2 class with m3 property map to handle frontend for older blocks.

Fixes #314 #348

Checklist

• My pull request is addressing an open issue (please create one otherwise).
• My code is tested and passes existing tests.
• My code follows the Contributing Guidelines (updates are often made to the guidelines, check it out periodically).

[coveralls]

Pull Request Test Coverage Report for Build 2232173165

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 121 of 140 (86.43%) changed or added relevant lines in 9 files are covered.
• 17 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+0.9%) to 80.199%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
plugin/php/class-admin.php	0	1	0.0%
plugin/assets/src/customizer/customize-controls.js	0	2	0.0%
plugin/assets/src/customizer/components/google-fonts-control/index.js	0	3	0.0%
plugin/php/customizer/class-controls.php	92	105	87.62%

Files with Coverage Reduction	New Missed Lines	%
plugin/php/customizer/class-controls.php	4	93.29%
plugin/php/class-plugin.php	6	93.55%
plugin/assets/src/customizer/components/google-fonts-control/index.js	7	41.51%

Totals
Change from base Build 2227790934:	0.9%
Covered Lines:	4755
Relevant Lines:	5791

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💛 - Coveralls