feat: Add multiple keyboard bindings and UI improvements

- Add `my-denote-open-metanote` function and keybinding
- Add `discomfort` and `xdg-launcher-run-app` bindings for Linux
- Add `mc/add-cursor-on-click` binding
- Add `guix` package
- Fix pixel-scroll-precision
- Add terminal UI theme improvements for xref and match faces
- Rename functions to `my-` prefix for consistency
- Reorganize org agenda priority grouping
- Switch EMMS default player to VLC

lisp/init-package.el

@@ -134,7 +134,7 @@
   (emms-playlist-mode-switch-buffer)
   :config
   (emms-all)
-  (setq emms-player-list '(emms-player-mpv)
+  (setq emms-player-list '(emms-player-vlc)
 	emms-info-functions '(emms-info-native))
   (emms-history-load))
 
@@ -163,6 +163,10 @@
 ;; power-mode
 (use-package power-mode)
 
+;; guix
+(if *is-linux*
+    (use-package guix))
+
 (provide 'init-package)
 
 ;;; init-package.el ends here