Added/updated snippets for docs (#2318)

docs/doc_examples/04de2e3a9c00c2056b07bf9cf9e63a99.asciidoc

@@ -0,0 +1,20 @@
+// 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.transport.request({
+  method: "PUT",
+  path: "/_inference/text_embedding/google_vertex_ai_embeddings",
+  body: {
+    service: "googlevertexai",
+    service_settings: {
+      service_account_json: "<service_account_json>",
+      model_id: "<model_id>",
+      location: "<location>",
+      project_id: "<project_id>",
+    },
+  },
+});
+console.log(response);
+----