feat: add dashboard and enhance completion

- Add startup dashboard with recent files and bookmarks
- Enhance corfu with icons and minibuffer transfer
- Add avy-zap, markdown-mode, consult-dir
- Optimize GC settings and editor config

lisp/init-dashboard.el

@@ -0,0 +1,34 @@
+;;; init-dashboard.el --- dashboard -*- lexical-binding: t -*-
+
+;;; Commentary:
+
+;;; Code:
+
+(use-package dashboard
+  :demand t
+  :config
+  (dashboard-setup-startup-hook)
+  (setq dashboard-banner-logo-title (format "%s" emacs-version))
+  (setq dashboard-banner-ascii " #####  #     # #     #    ####### #     #    #     #####   #####  \n#     # ##    # #     #    #       ##   ##   # #   #     # #     # \n#       # #   # #     #    #       # # # #  #   #  #       #       \n#  #### #  #  # #     #    #####   #  #  # #     # #        #####  \n#     # #   # # #     #    #       #     # ####### #             # \n#     # #    ## #     #    #       #     # #     # #     # #     # \n #####  #     #  #####     ####### #     # #     #  #####   #####  ")
+  (setq dashboard-startup-banner 'ascii)
+  (setq dashboard-center-content t)
+  (setq dashboard-navigation-cycle t)
+  (setq dashboard-items '((recents . 10)
+                          (bookmarks . 5)
+                          (projects . 5)))
+  (add-hook 'emacs-startup-hook
+            (lambda()
+              (setq my-emacs-startup-time (format-time-string "%Y-%m-%d %H:%M:%S"))))
+  (defun my/dashboard-insert-copyright ()
+    "Insert copyright in the footer."
+    (dashboard-insert-center
+     (propertize (format "\n\nEmacs started at %s" my-emacs-startup-time)
+                 'face 'font-lock-comment-face)))
+  (advice-add #'dashboard-insert-footer :after #'my/dashboard-insert-copyright)
+  (setq dashboard-footer-messages '(
+                                    "Hello."
+                                    "Hi."
+                                    )))
+
+(provide 'init-dashboard)
+;;; init-dashboard.el ends here