add codeowners file so stop the great guys who are collaborating on the project from merging in PRs.

no pickle shall pass
thank you again, RyotaK

add features, credit for composable diffusion

rename hypernetwork dir to hypernetworks to prevent clash with an old filename that people who use zip instead of git clone will have

Before a new batch would use the last image from the previous batch. Now
each batch will use the original image for the init image at the start of the
batch.

Comma backtrack padding

to readme

https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/2171