Added/updated snippets for docs (#2318)

docs/doc_examples/4be07b34db282044c88d5021c7ea08ee.asciidoc

@@ -0,0 +1,41 @@
+// 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.indices.create({
+  index: "my-index",
+  mappings: {
+    properties: {
+      my_vector: {
+        type: "dense_vector",
+        dims: 3,
+      },
+      my_text: {
+        type: "keyword",
+      },
+    },
+  },
+});
+console.log(response);
+
+const response1 = await client.index({
+  index: "my-index",
+  id: 1,
+  document: {
+    my_text: "text1",
+    my_vector: [0.5, 10, 6],
+  },
+});
+console.log(response1);
+
+const response2 = await client.index({
+  index: "my-index",
+  id: 2,
+  document: {
+    my_text: "text2",
+    my_vector: [-0.5, 10, 10],
+  },
+});
+console.log(response2);
+----