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

@@ -1,8 +0,0 @@
-import scss from './scss.mjs'
-
-const lang = Object.freeze(JSON.parse("{\"injectTo\":[\"source.ts.ng\"],\"injectionSelector\":\"L:source.ts#meta.decorator.ts -comment\",\"name\":\"angular-inline-style\",\"patterns\":[{\"include\":\"#inlineStyles\"}],\"repository\":{\"inlineStyles\":{\"begin\":\"(styles)\\\\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\":\"#tsBracketExpression\"},{\"include\":\"#style\"}]},\"style\":{\"begin\":\"\\\\s*([\\\"'`|])\",\"beginCaptures\":{\"1\":{\"name\":\"string\"}},\"contentName\":\"source.css.scss\",\"end\":\"\\\\1\",\"endCaptures\":{\"0\":{\"name\":\"string\"}},\"patterns\":[{\"include\":\"source.css.scss\"}]},\"tsBracketExpression\":{\"begin\":\"\\\\G\\\\s*(\\\\[)\",\"beginCaptures\":{\"1\":{\"name\":\"meta.array.literal.ts meta.brace.square.ts\"}},\"end\":\"]\",\"endCaptures\":{\"0\":{\"name\":\"meta.array.literal.ts meta.brace.square.ts\"}},\"patterns\":[{\"include\":\"#style\"}]},\"tsParenExpression\":{\"begin\":\"\\\\G\\\\s*(\\\\()\",\"beginCaptures\":{\"1\":{\"name\":\"meta.brace.round.ts\"}},\"end\":\"\\\\)\",\"endCaptures\":{\"0\":{\"name\":\"meta.brace.round.ts\"}},\"patterns\":[{\"include\":\"$self\"},{\"include\":\"#tsBracketExpression\"},{\"include\":\"#style\"}]}},\"scopeName\":\"inline-styles.ng\",\"embeddedLangs\":[\"scss\"]}"))
-
-export default [
-...scss,
-lang
-]