Add new alumni to the Alumni.md file

Author: Hyundol

people/Alumni.md

@@ -103,3 +103,10 @@ title: Alumni
 * [Yoonhwan Shon(손윤환)](/people/ShonYoonhwan)
 * [Seokjin Lee(이석진)](/people/LeeSeokjin)
 * SeungHyeop Nam(남승협)
+* [Seunghyun Kang(강승현)](/people/KangSeunghyun)
+* [MinHyeok Kwon(권민혁)](/people/MinHyeok)
+* [KyoJin Park(박교진)](/people/KyoJinPark)
+* [DongHyun Jo(조동현)](/people/DongHyun)
+* [JungHun Kim(김정훈)](/people/KimJungHun)
+* [Youbin Jeon(전유빈)](/people/YouBinJeon)
+* [Jonghyun Lee(이종현)](/people/JonghyunLee)