FY21-Q4 Enablement KR: Add 2 maintainers => 50%
Backend Trainees:
- Ian: #7092 (closed)
- Ian: #7093 (closed)
- Aleksei: #7702 (closed)
- Matthias: #6363 (closed)
- Nikola: #6189 (closed)
- Dmitry: #6765 (closed)
Frontend Trainees:
- Zack: #7376 (closed)
DB Trainees:
- Alex: #5437 (closed)
Edited by Chun Du