feat(base): Add magit-prime, org-tree-slide, pixel-scroll and eww config

- Install magit-prime package
- Add org-tree-slide with custom start/stop functions and keybindings
- Enable pixel-scroll-precision-mode
- Add basic eww configuration

lisp/init-completion.el

@@ -134,6 +134,9 @@ targets."
 (use-package corfu
   :autoload
   (corfu-quit consult-completion-in-region)
+  :bind
+  (:map corfu-map
+	("M-d" . corfu-popupinfo-documentation))
   :custom
   (corfu-auto t)
   (corfu-auto-prefix 2)