♻️ 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

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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/ansi-regex/index.js

@@ -1,14 +0,0 @@
-export default function ansiRegex({onlyFirst = false} = {}) {
-	// Valid string terminator sequences are BEL, ESC\, and 0x9c
-	const ST = '(?:\\u0007|\\u001B\\u005C|\\u009C)';
-
-	// OSC sequences only: ESC ] ... ST (non-greedy until the first ST)
-	const osc = `(?:\\u001B\\][\\s\\S]*?${ST})`;
-
-	// CSI and related: ESC/C1, optional intermediates, optional params (supports ; and :) then final byte
-	const csi = '[\\u001B\\u009B][[\\]()#;?]*(?:\\d{1,4}(?:[;:]\\d{0,4})*)?[\\dA-PR-TZcf-nq-uy=><~]';
-
-	const pattern = `${osc}|${csi}`;
-
-	return new RegExp(pattern, onlyFirst ? undefined : 'g');
-}