fix: opengl plugin embedded in appimage

Author: panzergame

ci/buildappimage.sh

@@ -52,7 +52,7 @@ cp AppDir/usr/share/icons/hicolor/256x256/apps/dxfplotter.png AppDir/usr/share/a
 
 # generate the AppImage
 # use -unsupported-allow-new-glibc for newest linux distribution
-./linuxdeployqt-continuous-x86_64.AppImage AppDir/usr/bin/dxfplotter -appimage -extra-plugins=iconengines,platformthemes/libqgtk3.so -unsupported-allow-new-glibc
+./linuxdeployqt-continuous-x86_64.AppImage AppDir/usr/bin/dxfplotter -appimage -extra-plugins=iconengines,platformthemes/libqgtk3.so,renderers/libopenglrenderer.so -unsupported-allow-new-glibc 
 
 # move built AppImage back into original CWD
 mv dxfplotter*.AppImage "$OLD_CWD"/"$RELEASE_NAME".AppImage