Automatic launch argument for AMD GPUs

This commit adds a few lines to detect if the system has an AMD gpu and adds an environment variable needed for torch to recognize the gpu.

webui.sh

@@ -165,5 +165,11 @@ else
     printf "\n%s\n" "${delimiter}"
     printf "Launching launch.py..."
     printf "\n%s\n" "${delimiter}"
+    gpu_info=$(lspci | grep VGA)
+    if echo "$gpu_info" | grep -q "AMD"
+    then
+        HSA_OVERRIDE_GFX_VERSION=10.3.0 exec "${python_cmd}" "${LAUNCH_SCRIPT}" "$@"
+    else
         exec "${python_cmd}" "${LAUNCH_SCRIPT}" "$@"
     fi
+fi