Improve examples' screenshots compression.
Convert them to 8-bit and compress them with optipng and zopflipng. Before: 902 KB (923,969 bytes) After: 431 KB (441,372 bytes)
Before Width: | Height: | Size: 54 KiB After Width: | Height: | Size: 26 KiB |
Before Width: | Height: | Size: 81 KiB After Width: | Height: | Size: 36 KiB |
Before Width: | Height: | Size: 52 KiB After Width: | Height: | Size: 31 KiB |
Before Width: | Height: | Size: 61 KiB After Width: | Height: | Size: 28 KiB |
Before Width: | Height: | Size: 18 KiB After Width: | Height: | Size: 18 KiB |
Before Width: | Height: | Size: 59 KiB After Width: | Height: | Size: 26 KiB |
Before Width: | Height: | Size: 25 KiB After Width: | Height: | Size: 11 KiB |
Before Width: | Height: | Size: 72 KiB After Width: | Height: | Size: 33 KiB |
Before Width: | Height: | Size: 80 KiB After Width: | Height: | Size: 38 KiB |
Before Width: | Height: | Size: 22 KiB After Width: | Height: | Size: 11 KiB |
Before Width: | Height: | Size: 27 KiB After Width: | Height: | Size: 13 KiB |
Before Width: | Height: | Size: 29 KiB After Width: | Height: | Size: 14 KiB |
Before Width: | Height: | Size: 57 KiB After Width: | Height: | Size: 26 KiB |
Before Width: | Height: | Size: 51 KiB After Width: | Height: | Size: 23 KiB |
Before Width: | Height: | Size: 65 KiB After Width: | Height: | Size: 28 KiB |
Before Width: | Height: | Size: 57 KiB After Width: | Height: | Size: 27 KiB |
Before Width: | Height: | Size: 13 KiB After Width: | Height: | Size: 5.5 KiB |
Before Width: | Height: | Size: 24 KiB After Width: | Height: | Size: 11 KiB |
Before Width: | Height: | Size: 34 KiB After Width: | Height: | Size: 16 KiB |
Before Width: | Height: | Size: 21 KiB After Width: | Height: | Size: 9.4 KiB |