Add ays, clip skip and vae, to image embedded params#316

one-lithe-rune wants to merge 2 commits intoleejet:masterleejet/stable-diffusion.cpp:masterfrom

one-lithe-rune:embedded-image-params-improvementsone-lithe-rune/stable-diffusion.cpp:embedded-image-params-improvementsCopy head branch name to clipboard