Point main to CSS file for usage by bundlers

See #263, release log:

• 2c42cf1 by @rultor: Merge branch '__rultor'
• 9713047 by @yegor256: #263 pre
• 866e9cb by @navaati: Point main to CSS file for usa...
• b11c6ff by @navaati: Grunt: Create a non-versioned ...
• 561d2cc by @navaati: Update copyright year everywhe...
• 49d2e61 by @navaati: Grunt: only do css_purge:dist ...
• 0bdea79 by @renovate[bot]: chore(deps): update dependency...
• 366b892 by @yegor256: PDD GitHub Action to volodya-l...
• 1fd8866 by @yegor256: New PDD GitHub Action location
• 328ab0f by @renovate[bot]: chore(deps): update dependency...
• 8d93db6 by @renovate[bot]: chore(deps): update dependency...
• ab4d156 by @renovate[bot]: chore(deps): update dependency...
• e2f02ac by @renovate[bot]: chore(deps): update dependency...
• 0292b9d by @renovate[bot]: chore(deps): update actions/se...
• d38c902 by @renovate[bot]: chore(deps): update actions/ch...
• 029915b by @renovate[bot]: chore(deps): update dependency...
• b40af65 by @renovate[bot]: chore(deps): update dependency...
• 8816e3b by @renovate[bot]: chore(deps): update dependency...
• a232bfd by @renovate[bot]: chore(deps): update dependency...
• cffd121 by @renovate[bot]: chore(deps): update dependency...
• and 20 more...

Released by Rultor 2.0-SNAPSHOT, see build log