회원가입 로직 개선

- 기본 프로필 이미지와 닉네임 자동생성을 통해 회원가입 단계 축소

src/main/kotlin/kr/co/vividnext/sodalive/configs/SecurityConfig.kt

@@ -67,6 +67,7 @@ class SecurityConfig(
             .antMatchers("/member/check/email").permitAll()
             .antMatchers("/member/check/nickname").permitAll()
             .antMatchers("/member/signup").permitAll()
+            .antMatchers("/member/signup/v2").permitAll()
             .antMatchers("/member/login").permitAll()
             .antMatchers("/creator-admin/member/login").permitAll()
             .antMatchers("/member/forgot-password").permitAll()