♻️ 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/astro/dist/assets/endpoint/config.js

@@ -1,40 +0,0 @@
-import {
-  removeLeadingForwardSlash,
-  removeTrailingForwardSlash
-} from "@astrojs/internal-helpers/path";
-import { resolveInjectedRoute } from "../../core/routing/manifest/create.js";
-import { getPattern } from "../../core/routing/manifest/pattern.js";
-function injectImageEndpoint(settings, manifest, mode, cwd) {
-  manifest.routes.unshift(getImageEndpointData(settings, mode, cwd));
-}
-function getImageEndpointData(settings, mode, cwd) {
-  const endpointEntrypoint = settings.config.image.endpoint.entrypoint === void 0 ? mode === "dev" ? "astro/assets/endpoint/dev" : "astro/assets/endpoint/generic" : settings.config.image.endpoint.entrypoint;
-  const segments = [
-    [
-      {
-        content: removeTrailingForwardSlash(
-          removeLeadingForwardSlash(settings.config.image.endpoint.route)
-        ),
-        dynamic: false,
-        spread: false
-      }
-    ]
-  ];
-  return {
-    type: "endpoint",
-    isIndex: false,
-    route: settings.config.image.endpoint.route,
-    pattern: getPattern(segments, settings.config.base, settings.config.trailingSlash),
-    segments,
-    params: [],
-    component: resolveInjectedRoute(endpointEntrypoint, settings.config.root, cwd).component,
-    generate: () => "",
-    pathname: settings.config.image.endpoint.route,
-    prerender: false,
-    fallbackRoutes: [],
-    origin: "internal"
-  };
-}
-export {
-  injectImageEndpoint
-};