* Add boilerplate for file types
* Add heic-to and implement conversion
* Load heic library from CDN
* Use jpg instead of png for conversion
* Move const to constants file
* webui: Add max image size option
* remove magic numbers
* support all image formats
* use const
* Move regex to match b64 images to constants
* use SETTINGS_KEYS to get max image resolution setting
* Do not touch the image if already under the size threshold