Todos, fix entrypoint?

bin/entrypoint.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
 
-bundle exec rake db:migrate 2>/dev/null || bundle exec rake db:create db:migrate
+bundle exec rake db:prepare 2>/dev/null
 
 exec "$@"

todo.txt

@@ -0,0 +1,4 @@
+- Tweak graph styling, especially with dark mode
+- Add screenshot to readme
+- Add footer with link to Github
+- Publish as gem, update readme with how to run as gem.