[#810, github-backed example][xl]: improve looks, improve README, rename from simple-example to github-backed (#864)

examples/github-backed-catalog/next.config.js

@@ -0,0 +1,17 @@
+const nextConfig = {
+  async rewrites() {
+    return {
+      beforeFiles: [
+        {
+          source: '/@:org/:project*',
+          destination: '/@org/:org/:project*',
+        },
+      ],
+    };
+  },
+  serverRuntimeConfig: {
+    github_pat: process.env.GITHUB_PAT ? process.env.GITHUB_PAT : null,
+  },
+};
+
+module.exports = nextConfig;