links not working

There are at least two links not working. 
1. ivabs->Contributing->Start a new discussion https://github.com/wenbinyugroup/ivabs/discussions, should be directed to https://github.com/orgs/wenbinyugroup/discussions instead. 
2. click iVABS 0.8 documentation on the left, link to https://wenbinyugroup.github.io/ivabs/main_ivabs.html, 404, file not found. @unitasium 