add os tabs, fix numbering

docs/docs/troubleshooting.md

@@ -90,14 +90,25 @@ The workaround for this limitation is as follows:
 
 1. Now open the terminal app (Applications/Utilities/Terminal.app) and paste the following command and enter your root password. 
 
-**macOS High Sierra (10.13) and newer**
+   <Tabs
+   defaultValue="HS"
+   values={[
+    {label: 'macOS High Sierra (10.13) and newer', value: 'high_sierra'},
+    {label: 'macOS Sierra (10.12) and older', value: 'sierra'},
+  ]}>
+   <TabItem value="high_sierra"> 
+
    ```
    sudo defaults read /private/var/root/Library/Preferences/com.apple.bluetoothd.plist
    ```
-**macOS Sierra (10.12) and older**
+   </TabItem>
+   <TabItem value="sierra">
+
    ```
    sudo defaults read /private/var/root/Library/Preferences/blued.plist
    ```
+   </TabItem>
+   </Tabs>;
 
    This will print the contents of the bluetooth plist file containing the pairing keys for your bluetooth devices.
 
@@ -119,6 +130,7 @@ sudo defaults read /private/var/root/Library/Preferences/blued.plist
     ```
 
     Regedit will launch. Be careful in here as certain registry edits can cause your system to become unstable or unbootable! Edit only the entry shown in this guide.
+
 1. Navigate in the registry to this key
    
    ```