Added/updated snippets for docs (#2318)

docs/doc_examples/adf728b0c11c5c309c730205609a379d.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.ingest.putPipeline({
+  id: "my-pipeline",
+  processors: [
+    {
+      set: {
+        description: "Set dynamic '<service>' field to 'code' value",
+        field: "{{{service}}}",
+        value: "{{{code}}}",
+      },
+    },
+  ],
+});
+console.log(response);
+----