docs: updated json response types for create routes [CI SKIP]

docs/api/source/includes/_logs.md

@@ -112,6 +112,17 @@ id | ID of requested log
 
 ## Publish build log
 
+> JSON output format
+
+```json
+{
+  "message": "",
+  "data": {
+    "id": 15
+  }
+}
+```
+
 <aside class="warning">
 
 You should probably not use this endpoint, as it's used by the build system to

docs/api/source/includes/_targets.md

@@ -100,6 +100,17 @@ id | id of requested target
 
 ## Create a new target
 
+> JSON output format
+
+```json
+{
+  "message": "",
+  "data": {
+    "id": 15
+  }
+}
+```
+
 Create a new target with the given data.
 
 ### HTTP Request