Refactor folder (#10475)

Move many third-party components' source codes from the src folder to a new folder called deps_src. The goal is to make the code structure clearer and easier to navigate.

src/dev-utils/platform/unix/build_appimage.sh.in

@@ -0,0 +1,39 @@
+#!/bin/sh
+APPIMAGETOOLURL="https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-$(uname -m).AppImage"
+
+
+APP_IMAGE="@SLIC3R_APP_KEY@_Linux_V@SoftFever_VERSION@.AppImage"
+
+wget ${APPIMAGETOOLURL} -O ../appimagetool.AppImage
+chmod +x ../appimagetool.AppImage
+
+if [ -f /.dockerenv ] ; then # Only run if inside of a Docker Container
+sed '0,/AI\x02/{s|AI\x02|\x00\x00\x00|}' -i  ../appimagetool.AppImage
+fi
+
+sed -i -e 's#/usr#././#g' bin/@SLIC3R_APP_CMD@
+mv @SLIC3R_APP_CMD@ AppRun
+chmod +x AppRun
+
+cp resources/images/@SLIC3R_APP_KEY@_192px.png @SLIC3R_APP_KEY@.png
+mkdir -p usr/share/icons/hicolor/192x192/apps
+cp resources/images/@SLIC3R_APP_KEY@_192px.png usr/share/icons/hicolor/192x192/apps/@SLIC3R_APP_KEY@.png
+cat <<EOF > @SLIC3R_APP_KEY@.desktop
+[Desktop Entry]
+Name=@SLIC3R_APP_KEY@
+Exec=AppRun %F
+Icon=@SLIC3R_APP_KEY@
+Type=Application
+Categories=Utility;
+MimeType=model/stl;application/vnd.ms-3mfdocument;application/prs.wavefront-obj;application/x-amf;
+EOF
+
+
+if [ -f /.dockerenv ] ; then # Only run if inside of a Docker Container
+  ../appimagetool.AppImage --appimage-extract-and-run . $([ ! -z "${container}" ] && echo '--appimage-extract-and-run')
+else
+  ../appimagetool.AppImage . $([ ! -z "${container}" ] && echo '--appimage-extract-and-run')
+fi
+
+mv @SLIC3R_APP_KEY@-$(uname -m).AppImage ${APP_IMAGE}
+chmod +x ${APP_IMAGE}