Losslessly compress doc images.
Used zopfli 1.0.1 with `zopflipng.exe -m --lossy_transparent -y --iterations=1000`. Before: 199 KB (203.922 bytes) After: 197 KB (202.151 bytes) [ci skip]
Before Width: | Height: | Size: 176 KiB After Width: | Height: | Size: 174 KiB |
Before Width: | Height: | Size: 3.0 KiB After Width: | Height: | Size: 2.9 KiB |
Before Width: | Height: | Size: 3.2 KiB After Width: | Height: | Size: 3.2 KiB |
Before Width: | Height: | Size: 11 KiB After Width: | Height: | Size: 11 KiB |