Merge with testing

Merge branch 'testing'

Changed all logic to work outside ComfyUI directory.

small fix

Add force download and file existing

Added force download function and check if file was changed

Fixed file downloading

Added info section. Changed model downloading method to requests

gitignore

del environment file

renamed environment file

changes in environment yml file

changes in environment yml file

add comfyui-env.yml environment file

small fix