Implement create source for ssh git repos

- generate host keys and SSH keys
- prompt for deploy key setup
- generate gitrepo source
- wait for source to sync

go.mod

@@ -4,6 +4,7 @@ go 1.14
 
 require (
 	github.com/blang/semver v3.5.1+incompatible
+	github.com/manifoldco/promptui v0.7.0
 	github.com/spf13/cobra v0.0.6
 	k8s.io/client-go v0.18.0
 )