### Installation:
1. Download the plugin's JAR file.
2. Place the JAR file in the "plugins" folder of your Minecraft server.
3. Restart the server to load the plugin.

### Configuration:
- The default kick message is stored in the `config.yml` file.
- To customize the message shown to players during maintenance, modify the `kick-message` value in the `config.yml`.
- Use the `/maintenance reload` command to reload the plugin and apply any changes made to the configuration file.

### Commands:
- `/maintenance on` - Activates maintenance mode.
- `/maintenance off` - Deactivates maintenance mode.
- `/maintenance help` - Displays help and credits.
- `/maintenance reload` - Reloads the plugin configuration without restarting the server.