feat: Implement ProductController with CRUD operat

app/Http/Controllers/ProductController.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Product;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+
+class ProductController extends Controller
+{
+    public function create(Request $request)
+    {
+        $validatedData = $request->validate([
+            'name' => 'required|string|max:255',
+            'description' => 'required|string',
+            'price' => 'required|numeric',
+            'category' => 'required|string|max:255',
+            'inventory_count' => 'required|integer',
+        ]);
+
+        $product = Product::create($validatedData);
+
+        return response()->json($product, Response::HTTP_CREATED);
+    }
+
+    public function list()
+    {
+        $products = Product::all();
+
+        return response()->json($products);
+    }
+
+    public function show($id)
+    {
+        $product = Product::find($id);
+
+        if (!$product) {
+            return response()->json(['message' => 'Product not found'], Response::HTTP_NOT_FOUND);
+        }
+
+        return response()->json($product);
+    }
+
+    public function update(Request $request, $id)
+    {
+        $product = Product::find($id);
+
+        if (!$product) {
+            return response()->json(['message' => 'Product not found'], Response::HTTP_NOT_FOUND);
+        }
+
+        $validatedData = $request->validate([
+            'name' => 'string|max:255',
+            'description' => 'string',
+            'price' => 'numeric',
+            'category' => 'string|max:255',
+            'inventory_count' => 'integer',
+        ]);
+
+        $product->update($validatedData);
+
+        return response()->json($product);
+    }
+
+    public function delete($id)
+    {
+        $product = Product::find($id);
+
+        if (!$product) {
+            return response()->json(['message' => 'Product not found'], Response::HTTP_NOT_FOUND);
+        }
+
+        $product->delete();
+
+        return response()->json(['message' => 'Product deleted successfully']);
+    }
+}