♻️ 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
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✅ 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/get-east-asian-width/index.js

@@ -1,30 +0,0 @@
-import {getCategory, isAmbiguous, isFullWidth, isWide} from './lookup.js';
-
-function validate(codePoint) {
-	if (!Number.isSafeInteger(codePoint)) {
-		throw new TypeError(`Expected a code point, got \`${typeof codePoint}\`.`);
-	}
-}
-
-export function eastAsianWidthType(codePoint) {
-	validate(codePoint);
-
-	return getCategory(codePoint);
-}
-
-export function eastAsianWidth(codePoint, {ambiguousAsWide = false} = {}) {
-	validate(codePoint);
-
-	if (
-		isFullWidth(codePoint)
-		|| isWide(codePoint)
-		|| (ambiguousAsWide && isAmbiguous(codePoint))
-	) {
-		return 2;
-	}
-
-	return 1;
-}
-
-// Private exports for https://github.com/sindresorhus/is-fullwidth-code-point
-export {isFullWidth as _isFullWidth, isWide as _isWide} from './lookup.js';