Added/updated snippets for docs (#2318)

docs/doc_examples/0c6fc67c2dd1c1771cd866ce471d74e1.asciidoc

@@ -0,0 +1,26 @@
+// This file is autogenerated, DO NOT EDIT
+// Use `node scripts/generate-docs-examples.js` to generate the docs examples
+
+[source, js]
+----
+const response = await client.security.putRoleMapping({
+  name: "mapping4",
+  roles: ["superuser"],
+  enabled: true,
+  rules: {
+    any: [
+      {
+        field: {
+          username: "esadmin",
+        },
+      },
+      {
+        field: {
+          groups: ["cn=admins,dc=example,dc=com", "cn=other,dc=example,dc=com"],
+        },
+      },
+    ],
+  },
+});
+console.log(response);
+----