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

@@ -1 +0,0 @@
-!function(a){var e=/(^(?:[\t ]*(?:\*\s*)*))[^*\s].*$/m,n="(?:\\b[a-zA-Z]\\w+\\s*\\.\\s*)*\\b[A-Z]\\w*(?:\\s*<mem>)?|<mem>".replace(/<mem>/g,(function(){return"#\\s*\\w+(?:\\s*\\([^()]*\\))?"}));a.languages.javadoc=a.languages.extend("javadoclike",{}),a.languages.insertBefore("javadoc","keyword",{reference:{pattern:RegExp("(@(?:exception|link|linkplain|see|throws|value)\\s+(?:\\*\\s*)?)(?:"+n+")"),lookbehind:!0,inside:{function:{pattern:/(#\s*)\w+(?=\s*\()/,lookbehind:!0},field:{pattern:/(#\s*)\w+/,lookbehind:!0},namespace:{pattern:/\b(?:[a-z]\w*\s*\.\s*)+/,inside:{punctuation:/\./}},"class-name":/\b[A-Z]\w*/,keyword:a.languages.java.keyword,punctuation:/[#()[\],.]/}},"class-name":{pattern:/(@param\s+)<[A-Z]\w*>/,lookbehind:!0,inside:{punctuation:/[.<>]/}},"code-section":[{pattern:/(\{@code\s+(?!\s))(?:[^\s{}]|\s+(?![\s}])|\{(?:[^{}]|\{(?:[^{}]|\{(?:[^{}]|\{[^{}]*\})*\})*\})*\})+(?=\s*\})/,lookbehind:!0,inside:{code:{pattern:e,lookbehind:!0,inside:a.languages.java,alias:"language-java"}}},{pattern:/(<(code|pre|tt)>(?!<code>)\s*)\S(?:\S|\s+\S)*?(?=\s*<\/\2>)/,lookbehind:!0,inside:{line:{pattern:e,lookbehind:!0,inside:{tag:a.languages.markup.tag,entity:a.languages.markup.entity,code:{pattern:/.+/,inside:a.languages.java,alias:"language-java"}}}}}],tag:a.languages.markup.tag,entity:a.languages.markup.entity}),a.languages.javadoclike.addSupport("java",a.languages.javadoc)}(Prism);