feat!: add `@taiga-ui/styles`

[splincode]

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows Conventional Commits
• [ ] 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
• [ ] Refactoring
• [ ] Code style update
• [ ] Build or CI related changes
• [ ] Documentation content changes

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

[lumberjack-bot[bot]]

Pull request was closed :heavy_check_mark:

All saved screenshots (for current PR) were deleted :wastebasket:

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit bbff064):

https://taiga-ui--pr2320-splincode-feat-style-k7bm8ctv.web.app

_{(expires Wed, 17 Aug 2022 10:54:20 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (v3.x@d64ed13). Click here to learn what that means. The diff coverage is n/a.

:exclamation: Current head 698a2cc differs from pull request most recent head bbff064. Consider uploading reports for the commit bbff064 to get more accurate results

@@           Coverage Diff           @@
##             v3.x    #2320   +/-   ##
=======================================
  Coverage        ?   56.33%           
=======================================
  Files           ?      972           
  Lines           ?     9565           
  Branches        ?     1938           
=======================================
  Hits            ?     5388           
  Misses          ?     3749           
  Partials        ?      428           

Flag	Coverage Δ
addon-charts	73.88% <0.00%> (?)
addon-doc	19.12% <0.00%> (?)
addon-editor	27.89% <0.00%> (?)
addon-mobile	∅ <0.00%> (?)
addon-table	83.78% <0.00%> (?)
addon-tablebars	∅ <0.00%> (?)
cdk	63.82% <0.00%> (?)
core	68.41% <0.00%> (?)
kit	57.83% <0.00%> (?)
summary	56.33% <0.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[nsbarsukov]

Let's dont merge until merging of this PR https://github.com/Tinkoff/taiga-ui/pull/2322

[well-done-bot[bot]]