Added/updated snippets for docs (#2318)

docs/doc_examples/443e8da9968f1c65f46a2a65a1e1e078.asciidoc

@@ -0,0 +1,45 @@
+// 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.putIndexTemplate({
+  name: "my-weather-sensor-index-template",
+  index_patterns: ["metrics-weather_sensors-*"],
+  data_stream: {},
+  template: {
+    settings: {
+      "index.mode": "time_series",
+      "index.lifecycle.name": "my-lifecycle-policy",
+    },
+    mappings: {
+      properties: {
+        sensor_id: {
+          type: "keyword",
+          time_series_dimension: true,
+        },
+        location: {
+          type: "keyword",
+          time_series_dimension: true,
+        },
+        temperature: {
+          type: "half_float",
+          time_series_metric: "gauge",
+        },
+        humidity: {
+          type: "half_float",
+          time_series_metric: "gauge",
+        },
+        "@timestamp": {
+          type: "date",
+        },
+      },
+    },
+  },
+  priority: 500,
+  _meta: {
+    description: "Template for my weather sensor data",
+  },
+});
+console.log(response);
+----