♻️ 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/vite-plugin-astro-server/server-state.js

@@ -1,38 +0,0 @@
-function createServerState() {
-  return {
-    routes: /* @__PURE__ */ new Map(),
-    state: "fresh"
-  };
-}
-function setRouteError(serverState, pathname, error) {
-  if (serverState.routes.has(pathname)) {
-    const routeState = serverState.routes.get(pathname);
-    routeState.state = "error";
-    routeState.error = error;
-  } else {
-    const routeState = {
-      state: "error",
-      error
-    };
-    serverState.routes.set(pathname, routeState);
-  }
-  serverState.state = "error";
-  serverState.error = error;
-}
-function setServerError(serverState, error) {
-  serverState.state = "error";
-  serverState.error = error;
-}
-function clearRouteError(serverState, pathname) {
-  if (serverState.routes.has(pathname)) {
-    serverState.routes.delete(pathname);
-  }
-  serverState.state = "fresh";
-  serverState.error = void 0;
-}
-export {
-  clearRouteError,
-  createServerState,
-  setRouteError,
-  setServerError
-};