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-window.el

@@ -46,6 +46,8 @@
           "\\*gptel-agent:.*\\*"
           "^magit"
 	  "\\*discomfort\\*"
+	  "\\*eww bookmarks\\*"
+	  "\\*eww history\\*"
           bookmark-bmenu-mode
           lsp-bridge-ref-mode
           comint-mode