Add LinuxBoot logo

Signed-off-by: Ryan O'Leary <ryanoleary@google.com>

Author: rjoleary

README.md

@@ -2,6 +2,17 @@
 
 Stickers for LinuxBoot and related projects.
 
+PNG files are also included because SVG font rendering can get iffy.
+
+## LinuxBoot
+
+![LinuxBoot](linuxboot-white.png)
+![LinuxBoot](linuxboot-black.png)
+
+* Author: Susanne Nähler
+* Project: https://linuxboot.org/
+* License: Creative Commons Attribution-NoDerivatives 4.0 International Public License
+
 ## Fiano
 
 ![Fiano](fiano.svg)