Refactor(structure): Reflect new folder structure

https://github.com/AbdBarho/stable-diffusion-webui-docker/releases/tag/8.0.0
https://github.com/AbdBarho/stable-diffusion-webui-docker/blob/master/.devscripts/migratev7tov8.sh

.
├── data
│   ├── .cache         # cache for intermediary packages
│   ├── config         # UI specific config
│   ├── embeddings     # embeddings
│   └── models         # all the models that were previously scattered around in /data
                       # this folder will be mounted replacing `auto`s model folder, so any extensions
                       # that write or read from this folder should see it

WIP