feat(sudo): print warning if steps were skipped due to missing sudo

src/error.rs

@@ -90,6 +90,15 @@ impl Display for UnsupportedSudo<'_> {
     }
 }
 
+#[derive(Error, Debug)]
+pub struct MissingSudo();
+
+impl Display for MissingSudo {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", t!("Could not find sudo"))
+    }
+}
+
 #[derive(Error, Debug)]
 pub struct DryRun();