Make Rofi launcher search case-insensitive

Author: e-tho

src/launcher.rs

@@ -75,7 +75,7 @@ impl Launcher {
                 placeholder,
             } => {
                 let mut cmd = Command::new("rofi");
-                cmd.arg("-m").arg("-1").arg("-dmenu");
+                cmd.arg("-m").arg("-1").arg("-dmenu").arg("-i");
                 if icon_type == "xdg" {
                     cmd.arg("-show-icons");
                 }