Please set up a local WordPress development environment and develop a simple plugin that can display a custom message on the front end of the website. The specific steps and requirements are as follows:

$1.**$Environment Setup$**$

$-$ Use tools like XAMPP, MAMP, or WAMP to install WordPress on your local computer.

$-$ Ensure that WordPress is running properly and that you can access the admin dashboard.

$2.**$Plugin Development$**$

$-$ Create a plugin named $`$simple$-$message$`.$

$-$ Add a simple function to the plugin that displays a custom message on the front end of the website $($e$.$g$.,$ "Hello, World!"$).$

$-$ Include the necessary header information in the main file of the plugin, such as the plugin name, version, author, etc.

$3.**$Plugin Installation and Activation$**$

$-$ Place the plugin files in the $`$wp$-$content$/$plugins$`$ directory of your WordPress installation.

$-$ Activate the plugin in the Plugins management page in the WordPress admin dashboard.

$4.**$Functionality Testing$**$

$-$ Visit the front end of the website to confirm that the custom message is displayed correctly.

$-$ Provide a screenshot or screen recording showing the process of installing, activating, and testing the plugin functionality.

$5.**$Bonus Task$**$:

$-$ Extend the plugin to allow customization of the message content from the WordPress admin dashboard.