Added/updated snippets for docs (#2318)

docs/doc_examples/0e5db64154a722a5cbdb84b588ce2ce8.asciidoc

@@ -0,0 +1,30 @@
+// 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: "idx",
+  mappings: {
+    _source: {
+      mode: "synthetic",
+    },
+    properties: {
+      f: {
+        type: "scaled_float",
+        scaling_factor: 0.01,
+      },
+    },
+  },
+});
+console.log(response);
+
+const response1 = await client.index({
+  index: "idx",
+  id: 1,
+  document: {
+    f: 123,
+  },
+});
+console.log(response1);
+----