cicd: pre-push build script 작성

Author: Yuna

.github/scripts/install-hooks.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# sh .github/scripts/install-hooks.sh 명령어로 실행하시면 됩니다. 
+cp .github/scripts/pre-push-build.sh .git/hooks/pre-push
+chmod +x .git/hooks/pre-push
+echo "pre-push hook 설치 완료!"