First commit.

lisp/ux/tree.el

@@ -0,0 +1,19 @@
+;;; tree.el --- Configures tree representation -*- lexical-bindings: t -*-
+;;; Commentary:
+;;; Code:
+
+;; (defun treemacs--split-window-advice (original-split-function &rest args)
+;;   (-let [w (treemacs--is-visible?)]
+;;     (unwind-protect
+;;         (progn
+;;           (when w (set-window-parameter w 'window-side treemacs-position))
+;;           (apply original-split-function args))
+;;       (when w (set-window-parameter w 'window-side treemacs-position)))))
+;; (advice-add 'split-window-right :around #'treemacs--split-window-advice)
+
+(use-package treemacs
+  :ensure t
+  :defer t)
+
+(provide 'ux/tree)
+;;; tree.el ends here.