Fix broken Simplifier resolve links in downloaded MII Onkologie Implementation Guide exports. Use when downloading an IG from Simplifier and links are broken, preparing an IG export for offline use, or making links work both locally and on the official MII page. Handles MII Onko profiles/ValueSets/CodeSystems, FHIR R4 core links, MII dependency modules, German base profiles, and artifacts/package/ paths.