Broken Links in Documentation

[This example]( https://automl.github.io/SMAC3/latest/examples/2%20Multi-Fidelity%20and%20Multi-Instances/1_mlp_epochs/) contains a broken link.
There is also a broken link to [multi-fidelity examples here](https://automl.github.io/SMAC3/latest/advanced_usage/2_multi_fidelity/)