Added example image screenshot
Replace example_01.png with a similar equivalent without the JPEG background, so it compresses better with PNG
Add images for the alternate colors
Remove submodules
Add 'media/' from commit '8ff40948aa5e47b0f37d257d6ebbfdaafc3a97c5'

git-subtree-dir: media
git-subtree-mainline: cb5f5cae98ea855460b91567af1820411fed5446
git-subtree-split: 8ff40948aa5e47b0f37d257d6ebbfdaafc3a97c5