Add d keybind

src/keybinds.rs

@@ -72,6 +72,7 @@ impl Default for Keybinds {
             (Char('O'), open_above),
             (Char('u'), undo),
             (Char('U'), redo),
+            (Char('d'), delete_char_forward),
         ]
         .iter()
         .chain(basic_nav);