Adding support for fai index file in #C06PHJM0Y3D, so that we don't recompute them EVERY single time: https://github.com/nf-core/seqinspector/pull/202

Would you want to return the favor and review the tiny PRs https://github.com/nf-core/ampliseq/pull/958 and/or https://github.com/nf-core/ampliseq/pull/960? 😬