feat: Add waydroid-choose-gpu script as a built in feature.

Containerfile

@@ -337,7 +337,9 @@ RUN /tmp/image-info.sh && \
     if grep -qv "nvidia" <<< "${IMAGE_NAME}"; then \
         systemctl disable waydroid-container.service && \
         sed -i 's@Exec=waydroid first-launch@Exec=/usr/bin/waydroid-launcher first-launch\nX-Steam-Library-Capsule=/usr/share/applications/Waydroid/capsule.png\nX-Steam-Library-Hero=/usr/share/applications/Waydroid/hero.png\nX-Steam-Library-Logo=/usr/share/applications/Waydroid/logo.png\nX-Steam-Library-StoreCapsule=/usr/share/applications/Waydroid/store-logo.png\nX-Steam-Controller-Template=Desktop@g' /usr/share/applications/Waydroid.desktop && \
-        rm /usr/share/wayland-sessions/weston.desktop \
+        rm /usr/share/wayland-sessions/weston.desktop && \
+        wget https://raw.githubusercontent.com/Quackdoc/waydroid-scripts/main/waydroid-choose-gpu.sh -O /usr/bin/waydroid-choose-gpu && \
+        chmod +x /usr/bin/waydroid-choose-gpu \
     ; fi && \
     mkdir -p /usr/etc/default && \
     rm -rf \