switch to hosted repocard

Author: DannyBen

.repocard.conf

@@ -1,6 +1,6 @@
 # Completely - Bash Completions Generator
 
-![repocard](repocard.svg)
+![repocard](https://repocard.dannyben.com/svg/completely.svg)
 
 Completely is a command line utility and a Ruby library that lets you generate
 bash completion scripts from simple YAML configuration.