add indent on root level

Symfony-api-doc-generator/Program.cs

@@ -71,10 +71,10 @@ string ParseJson(string json, int indent = 0)
     if (Regex.IsMatch(json, @"^\s\["))
     {
         JArray jsonArr = JArray.Parse(json);
-        return "@OA\\JsonContent(\n  type=\"array\",\n" + ParseJsonArray(jsonArr) + "),";
+        return IndentString("@OA\\JsonContent(\n  type=\"array\",\n" + ParseJsonArray(jsonArr) + "),", indent);
     }
     JObject jsonObj = JObject.Parse(json);
-    return "@OA\\JsonContent(\n  type=\"object\",\n" + ParseJsonObject(jsonObj) + "),";
+    return IndentString("@OA\\JsonContent(\n  type=\"object\",\n" + ParseJsonObject(jsonObj) + "),", indent);
 }
 
 string IndentString(string stringToIndent, int indent)