Added/updated snippets for docs (#2318)

docs/doc_examples/40c3e7bb1fdc125a1ab21bd7d7326694.asciidoc

@@ -0,0 +1,44 @@
+// 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: "mv",
+  mappings: {
+    properties: {
+      b: {
+        type: "long",
+      },
+    },
+  },
+});
+console.log(response);
+
+const response1 = await client.bulk({
+  index: "mv",
+  refresh: "true",
+  operations: [
+    {
+      index: {},
+    },
+    {
+      a: 1,
+      b: [2, 2, 1],
+    },
+    {
+      index: {},
+    },
+    {
+      a: 2,
+      b: [1, 1],
+    },
+  ],
+});
+console.log(response1);
+
+const response2 = await client.esql.query({
+  query: "FROM mv | EVAL b=TO_STRING(b) | LIMIT 2",
+});
+console.log(response2);
+----