Add emacs package for mise (#55)

ide-integration.md

@@ -58,13 +58,22 @@ vim.env.PATH = vim.env.HOME .. "/.local/share/mise/shims:" .. vim.env.PATH
 
 ## emacs
 
+- Traditional shims way
+
 ```lisp
 ;; CLI tools installed by Mise
 ;; See: https://www.emacswiki.org/emacs/ExecPath
 (setenv "PATH" (concat (getenv "PATH") ":/home/user/.local/share/mise/shims"))
 (setq exec-path (append exec-path '("/home/user/.local/share/mise/shims")))
 ```
 
+- Use with package [mise.el](https://github.com/liuyinz/mise.el)
+
+```lisp
+(require 'mise)
+(add-hook 'after-init-hook #'global-mise-mode)
+```
+
 ## Xcode
 
 Xcode projects can run system commands from script build phases and schemes. Since Xcode sandboxes the execution of the script using the tool `/usr/bin/sandbox-exec`, don't expect Mise and the automatically-activated tools to work out of the box. First, you'll need to add `$(SRCROOT)/.mise.toml` to the list of **Input files**. This is necessary for Xcode to allow reads to that file. Then, you can use `mise activate` to activate the tools you need: