Added/updated snippets for docs (#2318)

docs/doc_examples/d003ee256d24aa6000bd9dbf1d608dc5.asciidoc

@@ -0,0 +1,23 @@
+// 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.ingest.putPipeline({
+  id: "elser-v2-test",
+  processors: [
+    {
+      inference: {
+        model_id: ".elser_model_2",
+        input_output: [
+          {
+            input_field: "content",
+            output_field: "content_embedding",
+          },
+        ],
+      },
+    },
+  ],
+});
+console.log(response);
+----