Added/updated snippets for docs (#2318)

docs/doc_examples/93cd0fdd5ca22838db06aa1cabdbe8bd.asciidoc

@@ -0,0 +1,22 @@
+// 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.search({
+  index: "hugging-face-embeddings",
+  knn: {
+    field: "content_embedding",
+    query_vector_builder: {
+      text_embedding: {
+        model_id: "hugging_face_embeddings",
+        model_text: "What's margin of error?",
+      },
+    },
+    k: 10,
+    num_candidates: 100,
+  },
+  _source: ["id", "content"],
+});
+console.log(response);
+----