documenting the shell/plex.sh script

README.md

@@ -1,2 +1,20 @@
 # shell
+
 Shell commands
+
+# plex.sh
+
+This script is used to manage the Plex Media Server service on a systemd-based Linux distribution. It provides the following functionalities:
+
+- **start**: Starts the Plex Media Server.
+- **stop**: Stops the Plex Media Server.
+- **restart**: Restarts the Plex Media Server.
+- **status**: Displays the current status of the Plex Media Server.
+
+## Usage
+
+Note that these commands will run as `root`.
+
+```shell
+./shell/plex.sh {start|stop|restart|status}
+```