add initial yafti config

rootfs/etc/profile.d/firstboot.sh

@@ -0,0 +1,6 @@
+if test "$(id -u)" -gt "0" && test -d "$HOME"; then
+    if test ! -e "$HOME"/.config/autostart/org.chimeraos.firstboot.desktop; then
+        mkdir -p "$HOME"/.config/autostart
+        cp -f /usr/share/.config/autostart/org.chimeraos.firstboot.desktop "$HOME"/.config/autostart
+    fi
+fi

rootfs/usr/share/applications/org.chimeraos.firstboot.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Name=ChimeraOS First Boot Setup
+Comment=ChimeraOS first setup utility
+Exec=/usr/bin/yafti /usr/share/yafti/yafti.yml --force
+Icon=org.gnome.Terminal
+Type=Application
+Categories=Utility;System;
+Name[en_US]=startup