♻️ 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/prismjs/components/prism-csp.min.js

@@ -1 +0,0 @@
-!function(e){function n(e){return RegExp("([ \t])(?:"+e+")(?=[\\s;]|$)","i")}e.languages.csp={directive:{pattern:/(^|[\s;])(?:base-uri|block-all-mixed-content|(?:child|connect|default|font|frame|img|manifest|media|object|prefetch|script|style|worker)-src|disown-opener|form-action|frame-(?:ancestors|options)|input-protection(?:-(?:clip|selectors))?|navigate-to|plugin-types|policy-uri|referrer|reflected-xss|report-(?:to|uri)|require-sri-for|sandbox|(?:script|style)-src-(?:attr|elem)|upgrade-insecure-requests)(?=[\s;]|$)/i,lookbehind:!0,alias:"property"},scheme:{pattern:n("[a-z][a-z0-9.+-]*:"),lookbehind:!0},none:{pattern:n("'none'"),lookbehind:!0,alias:"keyword"},nonce:{pattern:n("'nonce-[-+/\\w=]+'"),lookbehind:!0,alias:"number"},hash:{pattern:n("'sha(?:256|384|512)-[-+/\\w=]+'"),lookbehind:!0,alias:"number"},host:{pattern:n("[a-z][a-z0-9.+-]*://[^\\s;,']*|\\*[^\\s;,']*|[a-z0-9-]+(?:\\.[a-z0-9-]+)+(?::[\\d*]+)?(?:/[^\\s;,']*)?"),lookbehind:!0,alias:"url",inside:{important:/\*/}},keyword:[{pattern:n("'unsafe-[a-z-]+'"),lookbehind:!0,alias:"unsafe"},{pattern:n("'[a-z-]+'"),lookbehind:!0,alias:"safe"}],punctuation:/;/}}(Prism);