Modify README.md

-# Subject
+# 주제
 얼굴 인식 전자 출결 시스템
 얼굴 인식 전자 출결 시스템
 
 
-# Team
+# 팀원
 - 정해갑(컴퓨터공학과, 2014104149)
 - 정해갑(컴퓨터공학과, 2014104149)
-- 허진호(컴퓨터공학과, 2014104161)
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+- 허진호(컴퓨터공학과, 2014104161)
+
+# 개발환경
+- Windows, Linux, Google Colab, Spring, MySQL
+
+# 활용기술
+- pytorch(https://github.com/pytorch/pytorch)
+- facenet(https://github.com/davidsandberg/facenet)
+- facenet-pytorch(https://github.com/timesler/facenet-pytorch)
+- VGGFace2(http://www.robots.ox.ac.uk/~vgg/data/vgg_face2)
+- Spring Boot(https://spring.io/projects/spring-boot)
+- Spring Data JPA(https://spring.io/projects/spring-data-jpa)
+- MySQL(https://www.mysql.com)
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