♻️ Restructure: Move Astro to repository root

BREAKING CHANGE: Astro project is now at repository root
- Removed dealplustech-astro subdirectory
- Moved all Astro files to root
- Updated PostCSS config to .cjs
- Removed old Next.js files

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✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/prismjs/components/prism-git.js

@@ -1,68 +0,0 @@
-Prism.languages.git = {
-	/*
-	 * A simple one line comment like in a git status command
-	 * For instance:
-	 * $ git status
-	 * # On branch infinite-scroll
-	 * # Your branch and 'origin/sharedBranches/frontendTeam/infinite-scroll' have diverged,
-	 * # and have 1 and 2 different commits each, respectively.
-	 * nothing to commit (working directory clean)
-	 */
-	'comment': /^#.*/m,
-
-	/*
-	 * Regexp to match the changed lines in a git diff output. Check the example below.
-	 */
-	'deleted': /^[-–].*/m,
-	'inserted': /^\+.*/m,
-
-	/*
-	 * a string (double and simple quote)
-	 */
-	'string': /("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,
-
-	/*
-	 * a git command. It starts with a random prompt finishing by a $, then "git" then some other parameters
-	 * For instance:
-	 * $ git add file.txt
-	 */
-	'command': {
-		pattern: /^.*\$ git .*$/m,
-		inside: {
-			/*
-			 * A git command can contain a parameter starting by a single or a double dash followed by a string
-			 * For instance:
-			 * $ git diff --cached
-			 * $ git log -p
-			 */
-			'parameter': /\s--?\w+/
-		}
-	},
-
-	/*
-	 * Coordinates displayed in a git diff command
-	 * For instance:
-	 * $ git diff
-	 * diff --git file.txt file.txt
-	 * index 6214953..1d54a52 100644
-	 * --- file.txt
-	 * +++ file.txt
-	 * @@ -1 +1,2 @@
-	 * -Here's my tetx file
-	 * +Here's my text file
-	 * +And this is the second line
-	 */
-	'coord': /^@@.*@@$/m,
-
-	/*
-	 * Match a "commit [SHA1]" line in a git log output.
-	 * For instance:
-	 * $ git log
-	 * commit a11a14ef7e26f2ca62d4b35eac455ce636d0dc09
-	 * Author: lgiraudel
-	 * Date:   Mon Feb 17 11:18:34 2014 +0100
-	 *
-	 *     Add of a new line
-	 */
-	'commit-sha1': /^commit \w{40}$/m
-};