Add example to README

README.md

@@ -1,3 +1,31 @@
 # ngx
 
 Opinionated nginx config generation for Deno.
+
+## Example
+
+Generate an nginx configuration to permanently redirect some routes from a.com to their new locations at b.com:
+
+```typescript
+import ngx from "jsr:@char/ngx@0.1";
+
+const redirects = {
+  "/a": "https://b.com/new-a",
+  "/b": "https://b.com/b-v2",
+};
+
+const config = ngx("server", [
+  [
+    "server_name a.com",
+    ...ngx.listen(),
+    ...ngx.letsEncrypt("a.com"),
+  ],
+  Object.entries(redirects).map(([path, uri]) =>
+    ngx(`location = ${path}`, [
+      `return 301 ${uri}`
+    ])
+  )
+])
+
+if (import.meta.main) console.log(config.build());
+```