chore: Update next.config.mjs and vercel.json to implement CORS headers for API routes and enhance routing consistency

Author: SivaramPg

next.config.mjs

@@ -1,4 +1,18 @@
 /** @type {import('next').NextConfig} */
-const nextConfig = {}
+const nextConfig = {
+	trailingSlash: false, // Consistent handling
+	async headers() {
+		return [
+			{
+				source: "/api/:path*",
+				headers: [
+					{ key: "Access-Control-Allow-Origin", value: "*" },
+					{ key: "Access-Control-Allow-Methods", value: "GET, OPTIONS" },
+					{ key: "Access-Control-Allow-Headers", value: "Content-Type" },
+				],
+			},
+		]
+	},
+}
 
 export default nextConfig

vercel.json

@@ -1,7 +1,7 @@
 {
 	"headers": [
 		{
-			"source": "/api/(.*)",
+			"source": "/api/:path*",
 			"headers": [
 				{ "key": "Access-Control-Allow-Origin", "value": "*" },
 				{ "key": "Access-Control-Allow-Methods", "value": "GET, OPTIONS" },