try to make pico executable in docker

Dockerfile

@@ -13,6 +13,7 @@ WORKDIR /app
 # ENV DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}
 
 COPY ./pico8 ./pico8
+RUN chmod +x ./pico8/pico8
 
 # Copies stuff to cache for install
 COPY ./package.json ./package-lock.json tsconfig.json ./