Added github-handle variable (#8281)

Author: lastCoyotes

_projects/website.md

@@ -76,6 +76,7 @@ leadership:
       github: 'https://github.com/daras-cu'
     picture: https://avatars.githubusercontent.com/daras-cu
   - name: Ren Demeis-Ortiz
+    github-handle:
     role: Merge Team
     links:
       slack: https://hackforla.slack.com/team/U059K7A1VFB