change maintainer

Dockerfile

@@ -1,5 +1,5 @@
 FROM cloudron/base:0.8.0
-MAINTAINER Girish Ramakrishnan <girish@forwardbias.in>
+MAINTAINER Girish Ramakrishnan <girish@cloudron.io>
 
 RUN mkdir -p /app/code
 WORKDIR /app/code