Reorganize docker-related files

docker/Dockerfile

@@ -11,7 +11,7 @@ RUN apk update \
 
 RUN mkdir /app
 COPY --from=build /go/src/github.com/glenux/trello2mail-go/trello2mail /app/
-COPY trello2mail.cron /app/
+COPY docker/trello2mail.cron /app/
 RUN /usr/bin/crontab /app/trello2mail.cron
 
 CMD ["/usr/sbin/cron","-f"]

docker/trello2mail.cron

@@ -0,0 +1,9 @@
+# Private tasks
+0 8 * * * /app/trello2main --trello-board xxxxxxxx
+
+# Project 1
+1 8 * * * /app/trello2main --trello-board yyyyyyyy
+
+# Project 2
+2 8 * * * /app/trello2main --trello-board zzzzzzzz
+

trello2mail.cron

@@ -1 +0,0 @@
-* 8 * * * /app/trello2main