Sophia: Add Mahdi-Mazaheri as repo collaborator

Please add Mahdi Mazaheri as a collaborator so he can push his instrument control code.

### How (pick one)

**CLI:**
```bash
gh api repos/sophiaOnPoint/M2_Tracking/collaborators/Mahdi-Mazaheri -X PUT -f permission=push
```

**GitHub UI:**
Settings > Collaborators > Add people > search `Mahdi-Mazaheri`

### Then
Once he accepts the invite, assign issue #9 to him.