♻️ 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/nanoid/non-secure/index.cjs

@@ -1,34 +0,0 @@
-// This alphabet uses `A-Za-z0-9_-` symbols.
-// The order of characters is optimized for better gzip and brotli compression.
-// References to the same file (works both for gzip and brotli):
-// `'use`, `andom`, and `rict'`
-// References to the brotli default dictionary:
-// `-26T`, `1983`, `40px`, `75px`, `bush`, `jack`, `mind`, `very`, and `wolf`
-let urlAlphabet =
-  'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict'
-
-let customAlphabet = (alphabet, defaultSize = 21) => {
-  return (size = defaultSize) => {
-    let id = ''
-    // A compact alternative for `for (var i = 0; i < step; i++)`.
-    let i = size | 0
-    while (i--) {
-      // `| 0` is more compact and faster than `Math.floor()`.
-      id += alphabet[(Math.random() * alphabet.length) | 0]
-    }
-    return id
-  }
-}
-
-let nanoid = (size = 21) => {
-  let id = ''
-  // A compact alternative for `for (var i = 0; i < step; i++)`.
-  let i = size | 0
-  while (i--) {
-    // `| 0` is more compact and faster than `Math.floor()`.
-    id += urlAlphabet[(Math.random() * 64) | 0]
-  }
-  return id
-}
-
-module.exports = { nanoid, customAlphabet }