Encode all manifest URIs for TIFY (and Mirador?) to:
https://tify.rocks/?manifest=https%3A%2F%2Ftrep.de.dariah.eu%2F1.0%2Fiiif%2Fmanifests%2Fhdl%3A21.T11991%252F0000-0011-B8C6-E%2Fmanifest.json