Added/updated snippets for docs (#2318)

docs/doc_examples/a73a9a6f19516b8ead63182a9ae5b540.asciidoc

@@ -0,0 +1,14 @@
+// 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:
+      "MULTILINESTRING ((1002.0 200.0, 1003.0 200.0, 1003.0 300.0, 1002.0 300.0), (1000.0 100.0, 1001.0 100.0, 1001.0 100.0, 1000.0 100.0), (1000.2 0.2, 1000.8 100.2, 1000.8 100.8, 1000.2 100.8))",
+  },
+});
+console.log(response);
+----