refactor: update blog api path

app/api/blogs/[slug]/route.js

@@ -0,0 +1,19 @@
+import { NextResponse } from "next/server";
+import axios from "axios";
+import { backendUrl } from "@/utils/axios";
+
+export async function GET(request, { params }) {
+  const { slug } = params;
+  
+  try {
+    console.log(`API route fetching blog with slug: ${slug}`);
+    const response = await axios.get(`${backendUrl}/blogs/${slug}/`);
+    return NextResponse.json(response.data);
+  } catch (error) {
+    console.error(`Error fetching blog with slug ${slug}:`, error);
+    return NextResponse.json(
+      { error: `Failed to fetch blog: ${error.message}` },
+      { status: error.response?.status || 500 }
+    );
+  }
+}