feat: Update Emacs config with new keybindings, org states

- Add `magit-refs-mode` to tab grouping
- Add `eshell`/`eat` under `C-c x` prefix
- Replace `WAITING` org state with `IDKY`
- Add `lisp-extra-font-lock` package
- Fix daemon mode theme loading
- Simplify denote keywords and update dired/dirvish bindings

lisp/my-base16-dark-theme.el

@@ -90,7 +90,8 @@
      `(keycast-key ((,class (:foreground ,green :weight bold))))
      `(emms-playlist-track-face ((,class (:foreground ,cyan))))
      `(emms-playlist-selected-face ((,class (:foreground ,blue :weight bold))))
-     `(diff-hunk-header ((,class (:foreground "#c1a059" :background "#253224")))))))
+     `(diff-hunk-header ((,class (:foreground "#c1a059" :background "#253224"))))
+     `(lisp-extra-font-lock-backquote ((,class (:inherit font-lock-type-face)))))))
 
 (provide-theme 'my-base16-dark)