forked from username/flaskpaste
- Add ftyp box signatures for heic, mif1, and avif brands - Add tests for new image formats - Fix nested if lint warning in lookup rate limit - Update security docs: MKV uses WebM header, TAR needs offset 257
- Add ftyp box signatures for heic, mif1, and avif brands - Add tests for new image formats - Fix nested if lint warning in lookup rate limit - Update security docs: MKV uses WebM header, TAR needs offset 257