feat: refactor product components and add sitemap support

- Updated product components to use new IPageParams interface for better type safety.
- Added next-sitemap configuration and generated sitemap.xml and robots.txt files.
- Removed deprecated ProductCard component and its associated types.
- Enhanced internationalization support across various pages.

src/app/api/product_categories/[id]/products/data.ts

@@ -1,5 +1,5 @@
 import { productCategories } from '../../data';
-import type { IProductCardProps } from '@/components/pages/products/productCard.d';
+import type { IProductCardProps } from '@/components/pages/products/productCard/productCard.d';
 
 // Helper to generate 50 products for a category
 export function generateProductsForCategory(

src/app/api/product_categories/[id]/products/route.ts

@@ -7,7 +7,7 @@ export async function GET(request: NextRequest, context: any) {
   const cookieStore = await cookies();
   const lang = cookieStore.get('locale')?.value || 'en';
 
-  const params = context.params;
+  const params = await context.params;
   const category = productCategories.find((cat) => cat.id === params.id);
 
   if (!category) {

src/app/api/product_categories/[id]/route.ts

@@ -4,14 +4,19 @@ import { NextResponse, NextRequest } from 'next/server';
 import { cookies } from 'next/headers';
 import { productCategories } from '../data';
 
-export async function GET(
-  request: NextRequest,
-  context: { params: { id: string } },
-) {
+interface IContext {
+  params: {
+    id: string;
+  };
+}
+
+interface IParams {}
+
+export async function GET(request: NextRequest, context: any) {
   const cookieStore = await cookies();
   const lang = cookieStore.get('locale')?.value || 'en';
 
-  const params = await context.params;
+  const params = (await context).params;
 
   const { id } = params;
 

src/app/api/product_categories/contact/contactMessages.json

@@ -0,0 +1 @@
+[]

src/app/api/product_categories/contact/route.ts

@@ -0,0 +1,49 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { writeFile, readFile } from 'fs/promises';
+import path from 'path';
+
+const filePath = path.resolve(process.cwd(), 'contactMessages.json');
+
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const { first_name, last_name, phone, email, message } = body;
+
+    if (!first_name || !last_name || !phone || !email || !message) {
+      return NextResponse.json(
+        { error: 'مقدار تمامی فیلدها را پر کنید' },
+        { status: 400 },
+      );
+    }
+
+    let messages = [];
+    try {
+      const fileData = await readFile(filePath, 'utf-8');
+      messages = JSON.parse(fileData);
+    } catch {
+      messages = [];
+    }
+
+    const newMessage = {
+      name,
+      email,
+      message,
+      createdAt: new Date().toISOString(),
+    };
+
+    messages.push(newMessage);
+
+    // Write updated messages back to file
+    await writeFile(filePath, JSON.stringify(messages, null, 2), 'utf-8');
+
+    return NextResponse.json({
+      success: true,
+      message: 'Your message has been received.',
+    });
+  } catch (error) {
+    return NextResponse.json(
+      { error, message: 'مشکلی پیش آمده.' },
+      { status: 400 },
+    );
+  }
+}