feat: 지원자 API 와 구글 스프레드 시트 연동

Author: hodoon

src/main/resources/application-credentials.yml

@@ -15,18 +15,6 @@ spring:
     redis:
       host: ${REDIS_HOST}
       port: ${REDIS_PORT}
-  mail:
-    host: ${MAIL_HOST}
-    port: ${MAIL_PORT}
-    username: ${MAIL_USERNAME}
-    password: ${MAIL_PASSWORD}
-    properties:
-        mail:
-            smtp:
-              auth: true
-              starttls:
-                enable: true
-                required: true
 jwt:
   secret: ${JWT_SECRET}
   access-token-expiration: ${JWT_ACCESS_TOKEN_EXPIRATION}