♻️ 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

✅ 11 pages built successfully
✅ Cookie consent banner included
✅ Privacy/Terms links in footer
✅ Ready for Easypanel deployment (no root dir needed)

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

dealplustech-astro/node_modules/strip-ansi/index.js

@@ -1,19 +0,0 @@
-import ansiRegex from 'ansi-regex';
-
-const regex = ansiRegex();
-
-export default function stripAnsi(string) {
-	if (typeof string !== 'string') {
-		throw new TypeError(`Expected a \`string\`, got \`${typeof string}\``);
-	}
-
-	// Fast path: ANSI codes require ESC (7-bit) or CSI (8-bit) introducer
-	if (!string.includes('\u001B') && !string.includes('\u009B')) {
-		return string;
-	}
-
-	// Even though the regex is global, we don't need to reset the `.lastIndex`
-	// because unlike `.exec()` and `.test()`, `.replace()` does it automatically
-	// and doing it manually has a performance penalty.
-	return string.replace(regex, '');
-}