[NonGNU ELPA] Engine-Mode version 2.2.4

[ELPA update]

Version 2.2.4 of package Engine-Mode has just been released in NonGNU ELPA.
You can now find it in M-x list-packages RET.

Engine-Mode describes itself as:

  ===============================
  Define and query search engines
  ===============================

More at https://elpa.nongnu.org/nongnu/engine-mode.html

## Summary:

                              ━━━━━━━━━━━━━━━
                               `ENGINE-MODE'
                              ━━━━━━━━━━━━━━━


  [https://melpa.org/packages/engine-mode-badge.svg]
  [https://stable.melpa.org/packages/engine-mode-badge.svg]
  [https://img.shields.io/badge/License-GPL%20v3-blue.svg]
  
[https://github.com/hrs/engine-mode/actions/workflows/test.yml/badge.svg?branch=main]

  `engine-mode' is a global minor mode for Emacs. It enables you to easily
  define search engines, bind them to keybindings, and query them from the
  comfort of your editor.

  <file:./doc/demo.gif>

  For example, suppose we want to be able to easily search GitHub:

  ┌────
  │ (defengine github
  │   "https://github.com/search?ref=simplesearch&q=%s";)
  └────

  This defines an interactive function `engine/search-github'. When

## Recent NEWS:

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