config: update org-mode, UI settings, and add EMMS media player

- Add EMMS music player configuration with mpv support
- Refine org-mode with preload, new capture templates, and agenda setup
- Update keybindings for windows, ibuffer, and org-store-link
- Improve line number display settings

early-init.el

@@ -1,11 +1,13 @@
 (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
-(menu-bar-mode -1) ;; 禁用菜单栏
-(scroll-bar-mode -1) ;; 禁用滚动条
+(setq inhibit-startup-screen t)		; 禁用开始菜单
+(tool-bar-mode -1)			; 禁用工具栏
+(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
+(global-display-line-numbers-mode t)	  ; 启用行号
+(setq display-line-numbers-grow-only t)	  ; 行号栏只增不减
+(setq display-line-numbers-width-start 4) ; 预设4位宽度
 
 ;; 启动时初始窗口最大化
 (add-to-list 'initial-frame-alist '(fullscreen . maximized))