Update Dockerfile

Dockerfile

@@ -77,11 +77,11 @@ RUN sudo apt update && \
 
 WORKDIR /home
 
-RUN git clone https://github.com/kogakisaki/koga-2048.git
-RUN chown -R koga: /home/koga-2048 && \
-    chmod 777 /home/koga-2048
+RUN git clone https://github.com/kogakisaki/gomoku-game
+RUN chown -R koga: /home/gomoku-game && \
+    chmod 777 /home/gomoku-game
 
-WORKDIR /home/koga-2048
+WORKDIR /home/gomoku-game
 
 RUN npm install