♻️ 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/prismjs/plugins/download-button/prism-download-button.js

@@ -1,20 +0,0 @@
-(function () {
-
-	if (typeof Prism === 'undefined' || typeof document === 'undefined' || !document.querySelector) {
-		return;
-	}
-
-	Prism.plugins.toolbar.registerButton('download-file', function (env) {
-		var pre = env.element.parentNode;
-		if (!pre || !/pre/i.test(pre.nodeName) || !pre.hasAttribute('data-src') || !pre.hasAttribute('data-download-link')) {
-			return;
-		}
-		var src = pre.getAttribute('data-src');
-		var a = document.createElement('a');
-		a.textContent = pre.getAttribute('data-download-link-label') || 'Download';
-		a.setAttribute('download', '');
-		a.href = src;
-		return a;
-	});
-
-}());

dealplustech-astro/node_modules/prismjs/plugins/download-button/prism-download-button.min.js

@@ -1 +0,0 @@
-"undefined"!=typeof Prism&&"undefined"!=typeof document&&document.querySelector&&Prism.plugins.toolbar.registerButton("download-file",(function(t){var e=t.element.parentNode;if(e&&/pre/i.test(e.nodeName)&&e.hasAttribute("data-src")&&e.hasAttribute("data-download-link")){var n=e.getAttribute("data-src"),a=document.createElement("a");return a.textContent=e.getAttribute("data-download-link-label")||"Download",a.setAttribute("download",""),a.href=n,a}}));