Add some example applications

apps/prusaslicer.Dockerfile

@@ -0,0 +1,27 @@
+FROM thomasloven/novnc-base
+
+ARG APPIMAGE=PrusaSlicer-2.8.1+linux-x64-older-distros-GTK3-202409181354.AppImage
+ARG URL=https://github.com/prusa3d/PrusaSlicer/releases/download/version_2.8.1/${APPIMAGE}
+
+RUN sudo apt-get update \
+  && DEBIAN_FRONTEND=noninteractive \
+  sudo apt-get install -y \
+    libgtk-3-dev libglu1-mesa libwebkit2gtk-4.0-37 \
+    locales curl \
+  && sudo locale-gen en \
+  && curl -sSL ${URL} > ${APPIMAGE} \
+  && chmod +x ${APPIMAGE} \
+  && ./${APPIMAGE} --appimage-extract
+
+RUN mkdir -p ~/Desktop \
+&& echo '[Desktop Entry]\n\
+Version=1.0\n\
+Type=Application\n\
+Name=PrusaSlicer\n\
+Comment=\n\
+Exec=/home/novnc/squashfs-root/AppRun\n\
+Icon=/home/novnc/squashfs-root/PrusaSlicer.png\n\
+PATH=\n\
+Terminal=false\n\
+StartupNotify=false'> ~/Desktop/PrusaSlicer.desktop \
+&& chmod +x ~/Desktop/PrusaSlicer.desktop