Added/updated snippets for docs (#2318)

docs/doc_examples/2ebcdd00ccbf26b4c8e6d9c80dfb3d55.asciidoc

@@ -0,0 +1,19 @@
+// 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.index({
+  index: "example",
+  document: {
+    location: {
+      type: "linestring",
+      coordinates: [
+        [-377.03653, 389.897676],
+        [-377.009051, 389.889939],
+      ],
+    },
+  },
+});
+console.log(response);
+----