write out the example json for wirting aggregations documentation

Author: russcam

docs/asciidoc/aggregations/bucket/children/children-aggregation-mapping.asciidoc

@@ -7,10 +7,11 @@
 [[child-aggregation-mapping]]
 == Child Aggregation Mapping 
 
-To use the child aggregation you have to make sure 
- a `_parent` mapping is in place, here we create the project
- index with two mapped types, `project` and `commitactivity` and 
- we add a `_parent` mapping from `commitactivity` to `parent` 
+To use the {ref_current}/search-aggregations-bucket-children-aggregation.html[Children Aggregation],
+you have to make sure a `_parent` mapping is in place.
+
+Here we create the project index with two mapped types, `Project` and `CommitActivity` and
+add a `_parent` mapping to `CommitActivity`, specifying the `Project` type as the parent 
 
 [source,csharp]
 ----

docs/asciidoc/aggregations/writing-aggregations.asciidoc

@@ -20,6 +20,32 @@ want to use each.
 
 This is the json output for each example
 
+[source,javascript]
+.Example json output
+----
+{
+  "aggs": {
+    "name_of_child_agg": {
+      "children": {
+        "type": "commits"
+      },
+      "aggs": {
+        "average_per_child": {
+          "avg": {
+            "field": "confidenceFactor"
+          }
+        },
+        "max_per_child": {
+          "max": {
+            "field": "confidenceFactor"
+          }
+        }
+      }
+    }
+  }
+}
+----
+
 === Fluent DSL
 
 The fluent lambda syntax is the most terse way to write aggregations.

src/CodeGeneration/Nest.Litterateur/AsciiDoc/GeneratedAsciidocVisitor.cs

@@ -118,7 +118,8 @@ public override void Visit(Container elements)
 
 						if ((method.Value == "expectjson" || method.Value == "queryjson") &&
 							source.Attributes.Count > 1 &&
-							source.Attributes[1].Name == "javascript")
+							source.Attributes[1].Name == "javascript" &&
+							_destination.Name != "writing-aggregations.asciidoc")
 						{
 							exampleJson = source;
 							continue;

src/Tests/Aggregations/Bucket/Children/ChildrenAggregationMapping.doc.cs

@@ -8,10 +8,11 @@ public class ChildrenAggregationMapping
 	{
 		private void MappingExample()
 		{
-			/** To use the child aggregation you have to make sure 
-			 *  a `_parent` mapping is in place, here we create the project
-			 *  index with two mapped types, `project` and `commitactivity` and 
-			 *  we add a `_parent` mapping from `commitactivity` to `parent` */
+			/** To use the {ref_current}/search-aggregations-bucket-children-aggregation.html[Children Aggregation],
+			 * you have to make sure a `_parent` mapping is in place.
+			 *
+			 * Here we create the project index with two mapped types, `Project` and `CommitActivity` and
+			 * add a `_parent` mapping to `CommitActivity`, specifying the `Project` type as the parent */
 			var createProjectIndex = TestClient.GetClient().CreateIndex(typeof(Project), c => c
 				.Mappings(map => map
 					.Map<Project>(tm => tm.AutoMap())