Convert image format to webp

[songkg7]

Is your feature request related to a problem? Please describe.

Add logic to convert PNG files to WEBP, which is better compressed than PNG and optimized for WEB.

Describe the solution you'd like

I'm working on it.

Describe alternatives you've considered

Additional context

sharp

[songkg7]

Temporarily suspended because no libraries were found that could work with the obsidian plugin.