Added/updated snippets for docs (#2318)

docs/doc_examples/7067a498bb6c788854a26443a64b843a.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.search({
+  runtime_mappings: {
+    "amount.signed": {
+      type: "double",
+      script:
+        "\n        double amount = doc['amount'].value;\n        if (doc['type'].value == 'expense') {\n          amount *= -1;\n        }\n        emit(amount);\n      ",
+    },
+  },
+  query: {
+    bool: {
+      filter: {
+        range: {
+          "amount.signed": {
+            lt: 10,
+          },
+        },
+      },
+    },
+  },
+  fields: [
+    {
+      field: "amount.signed",
+    },
+  ],
+});
+console.log(response);
+----