add librsvg for SVG image

recipes-core/base-files/base-files_%.bbappend

@@ -5,6 +5,7 @@ do_install:append () {
 # QT related setting
 export GDK_BACKEND=wayland
 export XDG_RUNTIME_DIR=/home/$USER/.xdg
+export XDG_CONFIG_HOME=/etc/xdg/
 export PATH=$PATH:/home/$USER/bin
 if [ ! -e "$XDG_RUNTIME_DIR" ]; then
     mkdir -p "$XDG_RUNTIME_DIR"

recipes-core/images/core-image-minimal.bbappend

@@ -33,6 +33,7 @@ IMAGE_INSTALL:append = "libcurl \
                         glew \
                         freetype \
                         fontconfig \
+                        librsvg \
                         gdk-pixbuf \
                         gtk-layer-shell \
                         mesa \