fix: 백엔드 stomp endpoint 수정에 따른 설정파일 수정

Author: BHyeonKim

nginx.conf

@@ -87,8 +87,8 @@ http {
       #   proxy_set_header X-Forwarded-Proto $scheme;
       # }
 
-      location /api/coin/realtime {
-        proxy_pass http://api-server/api/coin/realtime;
+      location /api/coin/min {
+        proxy_pass http://api-server/api/coin/min;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "upgrade";