Add command to display the current repo

src/args.rs

@@ -23,6 +23,9 @@ pub enum Command {
 
     /// Print the entire context available to templates
     Context,
+
+    /// Print the path of the repo
+    Repo,
 }
 
 fn default_repo() -> &'static str {

src/main.rs

@@ -22,6 +22,9 @@ fn main() -> Result<()> {
                 serde_json::to_string_pretty(templating::context()).into_diagnostic()?
             )
         }
+        args::Command::Repo => {
+            println!("{}", args.repo.to_string_lossy())
+        }
     }
 
     Ok(())