Update challenge progress dashboard

Author: Mingguriguri

_MonthlyChallenges/DASHBOARD.md

@@ -2,9 +2,11 @@
 
 ### 👉 그래프
 - **YoonYn9915**: 0개 ❌
+- **Mingguriguri**: 0개 ❌
 
 
 ### 👉 구현
 - **YoonYn9915**: 2개 ❌
+- **Mingguriguri**: 2개 ❌
 
 

_MonthlyChallenges/scoreboard.json

@@ -24,4 +24,4 @@
       }
     }
   }
-}
+}