Improve convert images options (dithering)

assets/images/personal_776966bb21a64eb3cf7855d2666c499d.png

assets/images/personal_7d7e4fb5727fc23ab3fa7b40f8769fc1.png

assets/images/personal_7ea40aebbbde03cbbcc19e5f92609b77.png

assets/images/personal_96b82ec73f9d83066297fa30a5b4384f.png

assets/images/personal_9b12ffaaf2778b683925a317d5a6e913.png

assets/images/personal_9df1a9ab00db25269bbd67f0ab271636.png

assets/images/personal_b27ef14b2c835df1ae1aeae938823193.png

assets/images/personal_b87fcb24c5d44e1328cddd66b75bc119.png

assets/images/personal_b89b9d4366696fe1623b5b5d4f10f0fc.png

assets/images/personal_b961b8d3386fa525ac754eea04b32003.png

assets/images/personal_bf18d08b0830f6fb84db937c04dcb63a.png

assets/images/personal_c0eb4eb4d39d58eecebc3218a56f6148.png

assets/images/personal_c132137e54f68136af709edd6a8f602d.png

assets/images/personal_d5f3483ee2a8598123a0d0a9a965aea0.png

assets/images/personal_d79877efade32ff884810a564afec499.png

assets/images/personal_e9da5393d39bebb0a5d393b4c55366a5.png

assets/images/personal_efc2a3bf7597c3991afa800c4515a515.png

assets/images/personal_f4059dfc787363cc3437be52a47779a0.png

assets/images/personal_fb47095d9556e3e7f00711afe128d5b2.png

scripts/01_optimize_images.sh