edit docker

Dockerfile

@@ -1,6 +1,6 @@
 FROM ruby:2.7.1
 
-LABEL maintainer="Radin <radin@instedd.org>"
+LABEL maintainer="bijan"
 
 RUN curl -sL https://deb.nodesource.com/setup_14.x | bash - && \
   echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list && \