♻️ 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/@shikijs/langs/dist/angular-inline-template.mjs

@@ -1,10 +0,0 @@
-import angular_html from './angular-html.mjs'
-import angular_template from './angular-template.mjs'
-
-const lang = Object.freeze(JSON.parse("{\"injectTo\":[\"source.ts.ng\"],\"injectionSelector\":\"L:meta.decorator.ts -comment -text.html\",\"name\":\"angular-inline-template\",\"patterns\":[{\"include\":\"#inlineTemplate\"}],\"repository\":{\"inlineTemplate\":{\"begin\":\"(template)\\\\s*(:)\",\"beginCaptures\":{\"1\":{\"name\":\"meta.object-literal.key.ts\"},\"2\":{\"name\":\"meta.object-literal.key.ts punctuation.separator.key-value.ts\"}},\"end\":\"(?=[,}])\",\"patterns\":[{\"include\":\"#tsParenExpression\"},{\"include\":\"#ngTemplate\"}]},\"ngTemplate\":{\"begin\":\"\\\\G\\\\s*([\\\"'`|])\",\"beginCaptures\":{\"1\":{\"name\":\"string\"}},\"contentName\":\"text.html.derivative.ng\",\"end\":\"\\\\1\",\"endCaptures\":{\"0\":{\"name\":\"string\"}},\"patterns\":[{\"include\":\"text.html.derivative.ng\"},{\"include\":\"template.ng\"}]},\"tsParenExpression\":{\"begin\":\"\\\\G\\\\s*(\\\\()\",\"beginCaptures\":{\"1\":{\"name\":\"meta.brace.round.ts\"}},\"end\":\"\\\\)\",\"endCaptures\":{\"0\":{\"name\":\"meta.brace.round.ts\"}},\"patterns\":[{\"include\":\"#tsParenExpression\"},{\"include\":\"#ngTemplate\"}]}},\"scopeName\":\"inline-template.ng\",\"embeddedLangs\":[\"angular-html\",\"angular-template\"]}"))
-
-export default [
-...angular_html,
-...angular_template,
-lang
-]