♻️ 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/transitions/vite-plugin-transitions.js

@@ -1,61 +0,0 @@
-const virtualModuleId = "astro:transitions";
-const resolvedVirtualModuleId = "\0" + virtualModuleId;
-const virtualClientModuleId = "astro:transitions/client";
-const resolvedVirtualClientModuleId = "\0" + virtualClientModuleId;
-function astroTransitions({ settings }) {
-  return {
-    name: "astro:transitions",
-    config() {
-      return {
-        optimizeDeps: {
-          include: ["astro > cssesc"]
-        }
-      };
-    },
-    async resolveId(id) {
-      if (id === virtualModuleId) {
-        return resolvedVirtualModuleId;
-      }
-      if (id === virtualClientModuleId) {
-        return resolvedVirtualClientModuleId;
-      }
-    },
-    load(id) {
-      if (id === resolvedVirtualModuleId) {
-        return {
-          code: `
-						export * from "astro/virtual-modules/transitions.js";
-						export {
-							default as ViewTransitions,
-							default as ClientRouter
-						} from "astro/components/ClientRouter.astro";
-					`
-        };
-      }
-      if (id === resolvedVirtualClientModuleId) {
-        return {
-          code: `
-						export { navigate, supportsViewTransitions, transitionEnabledOnThisPage } from "astro/virtual-modules/transitions-router.js";
-						export * from "astro/virtual-modules/transitions-types.js";
-						export {
-							TRANSITION_BEFORE_PREPARATION, isTransitionBeforePreparationEvent, TransitionBeforePreparationEvent,
-							TRANSITION_AFTER_PREPARATION,
-							TRANSITION_BEFORE_SWAP, isTransitionBeforeSwapEvent, TransitionBeforeSwapEvent,
-							TRANSITION_AFTER_SWAP, TRANSITION_PAGE_LOAD
-						} from "astro/virtual-modules/transitions-events.js";
-						export { swapFunctions } from "astro/virtual-modules/transitions-swap-functions.js";
-					`
-        };
-      }
-    },
-    transform(code, id) {
-      if (id.includes("ClientRouter.astro") && id.endsWith(".ts")) {
-        const prefetchDisabled = settings.config.prefetch === false;
-        return code.replace("__PREFETCH_DISABLED__", JSON.stringify(prefetchDisabled));
-      }
-    }
-  };
-}
-export {
-  astroTransitions as default
-};