Added/updated snippets for docs (#2318)

docs/doc_examples/a9dd5cd3f2b31e7c8129ea63bab868b4.asciidoc

@@ -0,0 +1,32 @@
+// 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.searchApplication.put({
+  name: "my_search_application",
+  search_application: {
+    indices: ["index1", "index2"],
+    template: {
+      script: {
+        lang: "mustache",
+        source:
+          '\n        {\n          "query": {\n            "bool": {\n              "should": [\n                {{#elser_fields}}\n                {\n                  "sparse_vector": {\n                      "field": "ml.inference.{{.}}_expanded.predicted_value",\n                      "inference_id": "<elser_inference_id>",\n                      "query": "{{query_string}}"\n                    }\n                },\n                {{/elser_fields}}\n                ]\n            }\n          },\n          "min_score": "{{min_score}}"\n        }\n        ',
+        params: {
+          query_string: "*",
+          min_score: "10",
+          elser_fields: [
+            {
+              name: "title",
+            },
+            {
+              name: "description",
+            },
+          ],
+        },
+      },
+    },
+  },
+});
+console.log(response);
+----