Added Introduction for Donald (#689)

Co-authored-by: Zhao Wei Liew <[email protected]>

data/coreteam_members.yml

@@ -150,9 +150,15 @@ members:
       he prefers the excitement of unexpected detours, courtesy of his charmingly unreliable sense of direction.
       He might be lost, but you can always reach him at <a href="mailto:[email protected]">[email protected]</a>.
 
+  - name: Donald
+    description: |
+      a computer science undergraduate by day and caffeine connoisseur by night. 
+      He loves taking long walks and cafe hopping.
+      Ask him for a free cuppa at <a href="mailto:[email protected]">[email protected]</a> :)
+
   - name: Ming Jun
     description: |
       a computer science undergraduate who enjoys building things that look good and do good.
       When he's not tinkering with code, he's probably out exploring new places or trying (his best) to harmonize in a barbershop choir.
       Feel free to disturb him at <a href="mailto:[email protected]">[email protected]</a>
-      
+