refactor: restructure Emacs config and add org journal features

- Add .gitignore for config management
- Fix early-init compatibility for tool-bar-mode
- Add org-journal, org-super-agenda, and org-ql support
- Improve consult with cross-platform file search
- Add embark-export keybinding

early-init.el

@@ -1,9 +1,10 @@
 (setq package-enable-at-startup nil)
 
 (setq inhibit-startup-screen t)		; 禁用开始菜单
-(tool-bar-mode -1)			; 禁用工具栏
+(when (fboundp 'tool-bar-mode)
+  (tool-bar-mode -1)			; 禁用工具栏
+  (scroll-bar-mode -1))			; 禁用滚动条
 (menu-bar-mode -1)			; 禁用菜单栏
-(scroll-bar-mode -1)			; 禁用滚动条
 (setq display-line-numbers-type '2)
 (global-display-line-numbers-mode t)	  ; 启用行号
 (setq display-line-numbers-grow-only t)	  ; 行号栏只增不减