feat: add vkui-nextra-theme

[SevereCloud]

Описание

Добавляем новый пакет с темой для документаций

[github-actions]

size-limit report 📦

Path	Size
JS	364.58 KB (+0.03% 🔺)
JS (gzip)	111.58 KB (+0.02% 🔺)
JS (brotli)	91.81 KB (+0.01% 🔺)
JS import Div (tree shaking)	1.42 KB (0%)
CSS	285.27 KB (0%)
CSS (gzip)	36.99 KB (0%)
CSS (brotli)	29.91 KB (0%)

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[github-actions]

e2e tests

Playwright Report

[github-actions]

👀 Docs deployed

• ✅ Styleguide
• ✅ Storybook

Commit 4932efc

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.57%. Comparing base (4ee1f30) to head (4932efc).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7067   +/-   ##
=======================================
  Coverage   83.57%   83.57%           
=======================================
  Files         352      352           
  Lines       10547    10547           
  Branches     3489     3489           
=======================================
  Hits         8815     8815           
  Misses       1732     1732           

Flag	Coverage Δ
unittests	83.57% <ø> (ø)

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