feat: track VSCode settings and keybindings in dotfiles

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -17,6 +17,10 @@
 !.hushlogin
 !arty.yml
 !.config/
+!.config/Code/
+!.config/Code/User/
+!.config/Code/User/settings.json
+!.config/Code/User/keybindings.json
 !.config/yazi/
 !.config/yazi/yazi.toml
 !.config/yazi/theme.toml