feat: Add Docker support and improve API structure

- Introduced Dockerfile and .dockerignore for containerization.
- Removed unused API route `src/app/api/hello/route.ts`.
- Added new API route for fetching products by category.
- Enhanced existing product category API to include descriptions.
- Updated product categories data structure to include descriptions.
- Improved product fetching logic in the product categories page.
- Refactored breadcrumb component for better navigation.
- Added new AchievementIconWhite component for UI consistency.
- Updated Navbar to use routeFactory for better maintainability.
- Enhanced styling in various components for improved responsiveness.
- Removed obsolete language switcher component.

src/components/layout/breadcrumb/breadcrumb.d.ts

@@ -0,0 +1,8 @@
+export interface IBreadcrumbProps {
+  items: IBreadcrumbItem[];
+}
+
+export interface IBreadcrumbItem {
+  title: string;
+  href?: string;
+}

src/components/layout/breadcrumb/index.tsx

@@ -0,0 +1,30 @@
+import Link from 'next/link';
+import { IBreadcrumbProps } from './breadcrumb';
+
+export default function Breadcrumb({ items }: IBreadcrumbProps) {
+  return (
+    <nav aria-label="breadcrumb">
+      <div className="flex items-center gap-2">
+        {items.map((item, index) => (
+          <div key={index} className="flex items-center gap-2">
+            {index > 0 && (
+              <span className="text-sm font-normal text-gray-300">⦁</span>
+            )}
+            {item.href ? (
+              <Link
+                href={item.href}
+                className="text-base font-normal text-gray-300"
+              >
+                {item.title}
+              </Link>
+            ) : (
+              <span className="text-primary text-base font-bold">
+                {item.title}
+              </span>
+            )}
+          </div>
+        ))}
+      </div>
+    </nav>
+  );
+}