Certain URLs in README.md and CONTRIBUTORS.md are broken. A PR that fixes this bug is linked below.  The fix: https://github.com/isaac-sim/IsaacLab/pull/1272 ### Checklist - [x] I have checked that there is no similar issue in the repo (**required**) - [x] I have checked that the issue is not in running Isaac Sim itself and is related to the repo
