Merge branch 'msa' of https://github.com/9oormthon-univ/2024_BEOTKKOT…

…THON_TEAM_13_BE into feature/signLogin/#46

# Conflicts:
#	server-gateway/src/main/java/com/team13/servergateway/filter/JwtAuthFilter.java
#	server-gateway/src/main/java/com/team13/servergateway/util/RouterValidator.java
#	service-user/build.gradle
#	service-user/src/main/java/com/team13/serviceuser/controller/IndexController.java
#	service-user/src/main/java/com/team13/serviceuser/service/SignInService.java
#	service-user/src/test/java/com/team13/serviceuser/controller/IndexControllerTest.java