Extension metadata

[w-e-w]

Description

rework of [minor new feature] sort extensions by popularity (github stars)

add stars update date creation date

use my test index for testing https://raw.githubusercontent.com/w-e-w/temp_test/master/index.json

workflow configured can be enabled at any time

screenshot

https://github.com/AUTOMATIC1111/stable-diffusion-webui-extensions/actions/workflows/update_metadata.yml

WIP / Future work if this gets pulled

instead of A-Z Z-A Newest Oldest I like to separate them in ascending and descending order and sort category currently have some trouble organizing the UI I'm not good with Gradio if someone wants to do it for me feel free

Checklist:

• [x] I have read contributing wiki page
• [x] I have performed a self-review of my own code
• [x] My code follows the style guidelines
• [x] My code passes tests