add missing @ in front of OA

Symfony-api-doc-generator/Program.cs

@@ -45,7 +45,7 @@ string ParseJsonArray(JArray json, int indent = 1)
         }
     }
 
-    string apiDocs = "OA\\Items(\n" + childDoc + "),";
+    string apiDocs = "@OA\\Items(\n" + childDoc + "),";
     return IndentString(apiDocs, indent);
 }
 
@@ -87,10 +87,10 @@ 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 "@OA\\JsonContent(\n  type=\"array\",\n" + ParseJsonArray(jsonArr) + "),";
     }
     JObject jsonObj = JObject.Parse(json);
-    return "OA\\JsonContent(\n  type=\"object\",\n" + ParseJsonObject(jsonObj) + "),";
+    return "@OA\\JsonContent(\n  type=\"object\",\n" + ParseJsonObject(jsonObj) + "),";
 }
 
 string IndentString(string stringToIndent, int indent)