Update gpio.md (#838)

* Update gpio.md

Fixed the formatting to be included in the bubble

* Update gpio.md

Adding more examples for clarity

docs/gpio.md

@@ -300,10 +300,18 @@ kvmd
 
 
     Commands are executed from the user `kvmd`. If you want to run the command as root, then you need to configure `sudo`. Example of the `/etc/sudoers.d/custom_commands`:
+    
+    Granular example
 
     ```sudoers
     kvmd ALL=(ALL) NOPASSWD: /usr/bin/reboot
     ```
+    
+    NON Granular example (Captures ALL commands)
+    
+    ```sudoers
+    kvmd ALL=(ALL) NOPASSWD: ALL
+    ```
 
     Example of the `/etc/kvmd/override.yaml`:
 
@@ -325,16 +333,16 @@ kvmd
                     - ["reboot_button|confirm|Reboot PiKVM"]
     ```
 
-An example to help you get started:
+    An example to help you get started:
 
-* `cmd: [/usr/bin/sudo, kvmd-otgconf, --disable-function, mass_storage.usb0]`
-* `cmd: [(absolute path to sudo, command, flag, flag, absolute path to file]`
+    * `cmd: [/usr/bin/sudo, kvmd-otgconf, --disable-function, mass_storage.usb0]`
+    * `cmd: [(absolute path to sudo, command, flag, flag, absolute path to file]`
 
-Then run the following:
+    Then run the following:
 
-```
-systemctl restart kvmd
-```
+    ```
+    systemctl restart kvmd
+    ```
 
 ### PWM
 ??? note "Click to view"