resolve issue #1

Author: ryu19-1

Dockerfile

@@ -4,5 +4,4 @@ RUN npm install -g npm \
 && npm install -g atcoder-cli \
 && pip3 install online-judge-tools
 
-ADD config/ /root/.config/atcoder-cli-nodejs/
 COPY scripts/init.sh /root/init.sh

docker-compose.yml

@@ -6,4 +6,5 @@ services:
         tty: true
         volumes: 
             - ./contests:/contests
+            - ./config:/root/.config/atcoder-cli-nodejs/