Added/updated snippets for docs (#2318)

docs/doc_examples/a4dbd52004f3ab1580eb73997f77dcab.asciidoc

@@ -0,0 +1,62 @@
+// 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.transform.putTransform({
+  transform_id: "ecommerce-customer-transform",
+  source: {
+    index: ["kibana_sample_data_ecommerce"],
+    query: {
+      bool: {
+        filter: {
+          term: {
+            currency: "EUR",
+          },
+        },
+      },
+    },
+  },
+  pivot: {
+    group_by: {
+      customer_id: {
+        terms: {
+          field: "customer_id",
+        },
+      },
+    },
+    aggregations: {
+      "total_quantity.sum": {
+        sum: {
+          field: "total_quantity",
+        },
+      },
+      "taxless_total_price.sum": {
+        sum: {
+          field: "taxless_total_price",
+        },
+      },
+      "total_quantity.max": {
+        max: {
+          field: "total_quantity",
+        },
+      },
+      "order_id.cardinality": {
+        cardinality: {
+          field: "order_id",
+        },
+      },
+    },
+  },
+  dest: {
+    index: "ecommerce-customers",
+  },
+  retention_policy: {
+    time: {
+      field: "order_date",
+      max_age: "60d",
+    },
+  },
+});
+console.log(response);
+----