Update Dockerfile

Dockerfile

@@ -86,9 +86,11 @@ RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
     && npm install -g npm@latest \
     && rm -rf /var/lib/apt/lists/*
 
+RUN mkdir -p /app/danser/custom-replays/
+
 COPY src/maps/* /app/danser/songs/
 
-COPY src/replays/* /app/danser/replays/
+COPY src/replays/* /app/danser/custom-replays/
 
 COPY src/default.json /app/danser/settings/default.json