installed roocode + added example

src/virt/buildah/mod.rs

@@ -1,6 +1,7 @@
 mod containers;
 mod images;
 mod cmd;
+mod example;
 
 use std::fmt;
 use std::error::Error;
@@ -41,8 +42,7 @@ impl Error for BuildahError {
         }
     }
 }
-
 pub use containers::*;
 pub use images::*;
 pub use cmd::*;
-
+pub use example::*;