Add dependency for snakeyaml
Add dependency for snakeyaml

dbmdz/iiif-image-api,dbmdz/iiif-image-api,dbmdz/iiif-image-api,dbmdz/iiif-image-api,dbmdz/iiif-image-api,dbmdz/iiif-image-api,dbmdz/iiif-image-api