Add licensing, readme, todo file

Fix the cursor showing as the 'edit text' type when hovering over a
playlist in the side nav bar

src/ui/gui/components/side_nav.rs

@@ -32,7 +32,8 @@ impl ComponentUi for SideNav {
                         } else {
                             text = RichText::new(&pname);
                         }
-                        let button = Label::new(text).sense(Sense::click());
+                        
+                        let button = Label::new(text).sense(Sense::click()).selectable(false);
                         if ui.add(button).clicked() {
                             gui.current_playlist = pname.to_string();
                         }