docs(linux): use GitHub warning text for warning note (#248)

Author: t3hmrman

linux/README.md

@@ -82,7 +82,8 @@ Then restart WirePlumber:
 systemctl --user restart wireplumber
 ```
 
-**Note:** Do NOT run `mpris-proxy` with WirePlumber - it will conflict and break media controls.
+> [!WARNING]
+> Do NOT run `mpris-proxy` with WirePlumber - it will conflict and break media controls.
 
 #### PulseAudio
 
@@ -131,4 +132,4 @@ It is possible that the AirPods disconnect after a short period of time and play
 
 ### Why a separate script?
 
-Because I discovered that QBluetooth doesn't support connecting to a socket with its PSM, only a UUID can be used. I could add a dependency on BlueZ, but then having two bluetooth interfaces seems unnecessary. So, I decided to use a separate script for hearing aid features. In the future, QBluetooth will be replaced with BlueZ native calls, and then everything will be in one application.
+Because I discovered that QBluetooth doesn't support connecting to a socket with its PSM, only a UUID can be used. I could add a dependency on BlueZ, but then having two bluetooth interfaces seems unnecessary. So, I decided to use a separate script for hearing aid features. In the future, QBluetooth will be replaced with BlueZ native calls, and then everything will be in one application.