♻️ 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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✅ Ready for Easypanel deployment (no root dir needed)

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

dealplustech-astro/node_modules/entities/dist/commonjs/decode-codepoint.d.ts

@@ -1,19 +0,0 @@
-/**
- * Polyfill for `String.fromCodePoint`. It is used to create a string from a Unicode code point.
- */
-export declare const fromCodePoint: (...codePoints: number[]) => string;
-/**
- * Replace the given code point with a replacement character if it is a
- * surrogate or is outside the valid range. Otherwise return the code
- * point unchanged.
- */
-export declare function replaceCodePoint(codePoint: number): number;
-/**
- * Replace the code point if relevant, then convert it to a string.
- *
- * @deprecated Use `fromCodePoint(replaceCodePoint(codePoint))` instead.
- * @param codePoint The code point to decode.
- * @returns The decoded code point.
- */
-export declare function decodeCodePoint(codePoint: number): string;
-//# sourceMappingURL=decode-codepoint.d.ts.map