Decouple template from JS

Closes #3386957

• Define template
• Make new route for JS to get the rendered template
• Update JS

added 8 commits

• c5882668 - Issue #3176664 by heddn: LanguageNegotiationHTTPHeader enhancements/fixes
• b8e8ee7f - Issue #3464510 by heddn: Gitlab CI yml
• d0fbd3e3 - Issue #3427249 by heddn: Configuration menu missing
• 818894f1 - fix name of cspelling
• 8c0e8cf3 - Issue #3387476 by amourow, heddn: Fix missing schema
• 3e0d4f19 - Issue #3380491 by heddn: The core/js-cookie asset library is deprecated in...
• c3c808cb - Issue #3464718 by heddn: Drupal 11 support
• 2c21cefb - Rebase to origin/8.x-1.x Decouple template from JS

Compare with previous version

closed