feat(emacs): Basic emacs setup

tools/emacs.d/init.el

@@ -0,0 +1,31 @@
+;;; init.el --- Entry point of GNU/Emacs configuration
+;;; First edit date 2025/01/27
+
+;;; Organised by such directory structure
+;;; init.el -- This file, entry point
+;;; lisp/
+;;;      init-basic.el
+;;;      init-keymaps.el
+;;;      init-package.el
+;;;      init-evil.el
+;;; custom.el -- Auto Generated
+
+;; All elisp files under emacs.d/lisp will be loaded
+(add-to-list 'load-path (expand-file-name "lisp" user-emacs-directory))
+
+;; Store the auto-generated custom config to `custom.el`
+(setq custom-file (expand-file-name "custom.el" user-emacs-directory))
+
+;; Load each modules
+(require 'init-basic)
+(require 'init-keymaps)
+(require 'init-package)
+(require 'init-evil)
+
+;; Load `custom` file
+(when (file-exists-p custom-file)
+  (load custom-file))
+
+
+;;; init.el end
+