Allow j and k in fuzzy search

src/app.rs

@@ -90,8 +90,8 @@ impl App {
                 self.rebuild_visible_items(None);
                 self.update_search_status();
             }
-            KeyCode::Char('j') | KeyCode::Down => self.select_next(),
-            KeyCode::Char('k') | KeyCode::Up => self.select_previous(),
+            KeyCode::Down => self.select_next(),
+            KeyCode::Up => self.select_previous(),
             KeyCode::Char(character) => {
                 self.search_query.push(character);
                 self.rebuild_visible_items(None);

src/ui.rs

@@ -228,7 +228,7 @@ fn draw_footer(frame: &mut Frame, area: Rect, app: &App) {
             Span::raw(" filter  "),
             Span::styled("backspace", Style::default().fg(Color::Yellow)),
             Span::raw(" delete  "),
-            Span::styled("j/down", Style::default().fg(Color::Yellow)),
+            Span::styled("down", Style::default().fg(Color::Yellow)),
             Span::raw(" move  "),
             Span::styled("enter", Style::default().fg(Color::Yellow)),
             Span::raw(" launch  "),