♻️ 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/desktop.mjs

@@ -1,5 +0,0 @@
-const lang = Object.freeze(JSON.parse("{\"displayName\":\"Desktop\",\"name\":\"desktop\",\"patterns\":[{\"include\":\"#layout\"},{\"include\":\"#keywords\"},{\"include\":\"#values\"},{\"include\":\"#inCommands\"},{\"include\":\"#inCategories\"}],\"repository\":{\"inCategories\":{\"patterns\":[{\"match\":\"(?<=^Categories.*)AudioVideo|(?<=^Categories.*)Audio|(?<=^Categories.*)Video|(?<=^Categories.*)Development|(?<=^Categories.*)Education|(?<=^Categories.*)Game|(?<=^Categories.*)Graphics|(?<=^Categories.*)Network|(?<=^Categories.*)Office|(?<=^Categories.*)Science|(?<=^Categories.*)Settings|(?<=^Categories.*)System|(?<=^Categories.*)Utility\",\"name\":\"markup.bold\"}]},\"inCommands\":{\"patterns\":[{\"match\":\"(?<=^Exec.*\\\\s)-+\\\\S+\",\"name\":\"variable.parameter\"},{\"match\":\"(?<=^Exec.*)\\\\s%[FUcfiku]\\\\s\",\"name\":\"variable.language\"},{\"match\":\"\\\".*\\\"\",\"name\":\"string\"}]},\"keywords\":{\"patterns\":[{\"match\":\"^(?:Type|Version|Name|GenericName|NoDisplay|Comment|Icon|Hidden|OnlyShowIn|NotShowIn|DBusActivatable|TryExec|Exec|Path|Terminal|Actions|MimeType|Categories|Implements|Keywords|StartupNotify|StartupWMClass|URL|PrefersNonDefaultGPU|Encoding)\\\\b\",\"name\":\"keyword\"},{\"match\":\"^X-[- 0-9A-z]*\",\"name\":\"keyword.other\"},{\"match\":\"(?<!^)\\\\[.+]\",\"name\":\"constant.language\"},{\"match\":\"^(?:GtkTheme|MetacityTheme|IconTheme|CursorTheme|ButtonLayout|ApplicationFont)\\\\b\",\"name\":\"keyword\"}]},\"layout\":{\"patterns\":[{\"begin\":\"^\\\\[Desktop\",\"end\":\"]\",\"name\":\"markup.heading\"},{\"begin\":\"^\\\\[X-\\\\w*\",\"end\":\"]\",\"name\":\"markup.heading\"},{\"match\":\"^\\\\s*#.*\",\"name\":\"comment\"},{\"match\":\";\",\"name\":\"strong\"}]},\"values\":{\"patterns\":[{\"match\":\"(?<=^\\\\S+)=\",\"name\":\"keyword.operator\"},{\"match\":\"\\\\b(?:tru|fals)e\\\\b\",\"name\":\"variable.other\"},{\"match\":\"(?<=^Version.*)\\\\d+(\\\\.?\\\\d*)\",\"name\":\"variable.other\"}]}},\"scopeName\":\"source.desktop\"}"))
-
-export default [
-lang
-]