feat: More completion things

- Further configure Orderless
  - Configure Orderless dispatch stuff
- Further configure Vertico
- Add & configure Embark
  - Integrate w/ which-key
- Move General into its own feature (syd-general), for easy import by other
  modules.

users/crumb/programs/emacs/modules/syd-keybinds.el

@@ -1,10 +1,7 @@
 ;;; syd-keybinds.el -*- lexical-binding: t; -*-
 ;;; Universal keybindings, not /too/ tied to any particular packages.
 
-(use-package general
-  :custom (general-use-package-emit-autoloads t))
-
-(require 'general)
+(require 'syd-general)
 
 (defvar syd-leader-key "SPC"
   "A prefix key akin to Vim's <Leader>.")