Added/updated snippets for docs (#2318)

docs/doc_examples/3d82257167e8a14a7f474848b32da128.asciidoc

@@ -0,0 +1,31 @@
+// 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: "set_bar",
+  description: "sets the value of bar from the field foo",
+  processors: [
+    {
+      set: {
+        field: "bar",
+        copy_from: "foo",
+      },
+    },
+  ],
+});
+console.log(response);
+
+const response1 = await client.ingest.simulate({
+  id: "set_bar",
+  docs: [
+    {
+      _source: {
+        foo: ["foo1", "foo2"],
+      },
+    },
+  ],
+});
+console.log(response1);
+----