updated insert modes + fixed status bar help

config.example.toml

@@ -31,6 +31,8 @@ tree_depth_4 = "#fab387"
 down = "j"
 up = "k"
 edit = "i"
+edit_append = "A"
+edit_substitute = "S"
 save = ":w"
 quit = ":q"
 normal_mode = "Esc"