Add support for lutris

src/lutris/lutris_game.rs

@@ -0,0 +1,25 @@
+use steam_shortcuts_util::{shortcut::ShortcutOwned, Shortcut};
+
+#[derive(Clone)]
+pub struct LutrisGame {
+    pub index: String,
+    pub name: String,
+    pub id: String,
+    pub platform: String,
+}
+
+impl From<LutrisGame> for ShortcutOwned {
+    fn from(game: LutrisGame) -> Self {
+        let options = format!("lutris:rungame/{}", game.id);
+        Shortcut::new(
+            0,
+            game.name.as_str(),
+            "lutris",
+            "",
+            "",
+            "",
+            &options.as_str(),
+        )
+        .to_owned()
+    }
+}