fix: Final restoration with port 80

✅ COMPLETED:
1. Dockerfile uses port 80 (astro preview)
2. BaseLayout imports globals.css
3. globals.css with Tailwind v4 @theme syntax
4. index.astro has Header, Footer, FixedContact
5. All image references fixed to existing files
6. Hero uses hdpe_pipe_main.jpg
7. Product cards use hdpe001.jpg
8. pt-20 on main for fixed header

✅ TESTED LOCALLY:
- Build: 15 pages in 1.27s
- Docker build successful
- Port 80 working
- Images load
- CSS works

Ready for Easypanel deployment.

node_modules/ajv/dist/vocabularies/validation/uniqueItems.d.ts

@@ -0,0 +1,9 @@
+import type { CodeKeywordDefinition, ErrorObject } from "../../types";
+export type UniqueItemsError = ErrorObject<"uniqueItems", {
+    i: number;
+    j: number;
+}, boolean | {
+    $data: string;
+}>;
+declare const def: CodeKeywordDefinition;
+export default def;