♻️ 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/astro/dist/i18n/vite-plugin-i18n.js

@@ -1,42 +0,0 @@
-import { AstroError } from "../core/errors/errors.js";
-import { AstroErrorData } from "../core/errors/index.js";
-const virtualModuleId = "astro:i18n";
-function astroInternationalization({
-  settings
-}) {
-  const {
-    base,
-    build: { format },
-    i18n,
-    site,
-    trailingSlash
-  } = settings.config;
-  return {
-    name: "astro:i18n",
-    enforce: "pre",
-    config(_config, { command }) {
-      const i18nConfig = {
-        base,
-        format,
-        site,
-        trailingSlash,
-        i18n,
-        isBuild: command === "build"
-      };
-      return {
-        define: {
-          __ASTRO_INTERNAL_I18N_CONFIG__: JSON.stringify(i18nConfig)
-        }
-      };
-    },
-    resolveId(id) {
-      if (id === virtualModuleId) {
-        if (i18n === void 0) throw new AstroError(AstroErrorData.i18nNotEnabled);
-        return this.resolve("astro/virtual-modules/i18n.js");
-      }
-    }
-  };
-}
-export {
-  astroInternationalization as default
-};