♻️ 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/vite-plugin-integrations-container/index.d.ts

@@ -1,8 +0,0 @@
-import type { Plugin as VitePlugin } from 'vite';
-import type { Logger } from '../core/logger/core.js';
-import type { AstroSettings } from '../types/astro.js';
-/** Connect Astro integrations into Vite, as needed. */
-export default function astroIntegrationsContainerPlugin({ settings, logger, }: {
-    settings: AstroSettings;
-    logger: Logger;
-}): VitePlugin;

dealplustech-astro/node_modules/astro/dist/vite-plugin-integrations-container/index.js

@@ -1,29 +0,0 @@
-import { normalizePath } from "vite";
-import { runHookServerSetup } from "../integrations/hooks.js";
-function astroIntegrationsContainerPlugin({
-  settings,
-  logger
-}) {
-  return {
-    name: "astro:integration-container",
-    async configureServer(server) {
-      if (server.config.isProduction) return;
-      await runHookServerSetup({ config: settings.config, server, logger });
-    },
-    async buildStart() {
-      if (settings.injectedRoutes.length === settings.resolvedInjectedRoutes.length) return;
-      settings.resolvedInjectedRoutes = await Promise.all(
-        settings.injectedRoutes.map((route) => resolveEntryPoint.call(this, route))
-      );
-    }
-  };
-}
-async function resolveEntryPoint(route) {
-  const resolvedId = await this.resolve(route.entrypoint.toString()).then((res) => res?.id).catch(() => void 0);
-  if (!resolvedId) return route;
-  const resolvedEntryPoint = new URL(`file://${normalizePath(resolvedId)}`);
-  return { ...route, resolvedEntryPoint };
-}
-export {
-  astroIntegrationsContainerPlugin as default
-};