feat: integrate Tailwind CSS and remove legacy styles

.ddev/config.yaml

@@ -14,6 +14,7 @@ composer_version: "2"
 web_environment:
   - TYPO3_CONTEXT=Development/Ddev
 corepack_enable: false
+nodejs_version: "18"
 
 # Key features of DDEV's config.yaml:
 
@@ -278,6 +279,7 @@ corepack_enable: false
 # See https://ddev.readthedocs.io/en/stable/users/extend/custom-commands/ for more
 # information on the commands that can be extended and the tasks you can define
 # for them. Example:
-#hooks:
-#  post-start:
-#    - exec: composer install -d /var/www/html
+hooks:
+  post-start:
+    - exec: "npm install"
+    - exec: "npm run build:css"