There is a typo in your README, the install script is called `install.sh` https://github.com/cda-tum/mqt-qudit-compression/blob/df175ac0e5cde84e2438f5f7af11ba9b7545d655/README.md?plain=1#L34
There is a typo in your README, the install script is called
install.shmqt-qudit-compression/README.md
Line 34 in df175ac