* Parse image links during markdown rendering
* Use imgproxy to replace links
* Add healthcheck
See https://docs.imgproxy.net/healthcheck
* Enable WebP and animation support
* Only replace image URLs
* Replace all occurrences
* Fix creating posts with no text
* Embed image on link posts where link is image
---------
Co-authored-by: ekzyis <ek@stacker.news>
Jo Wo