Update instructors.yaml (#365)

* Update instructors.yaml

Added Annabel Chen's details, updated Josh Goh's gh to joshuagohos

* Update instructors.yaml

Author: joshuagohos

data/en/instructors.yaml

@@ -44,8 +44,16 @@ instructors:
     urlaff: https://www.sickkids.ca/
 
   - name: Joshua Goh
-    gh: joshuagoh
+    gh: joshuagohos
     email: [email protected]
     website: https://gibms.mc.ntu.edu.tw/bmlab/people/joshua-goh
     affiliation: National Taiwan University
     urlaff: https://www.ntu.edu.tw/english/
+
+  - name: Annabel Chen
+    gh: ClinicalBrainLab
+    email: [email protected] 
+    website: https://dr.ntu.edu.sg/entities/person/Chen-Shen-Hsing-Annabel
+    affiliation: Nanyang Technological University
+    urlaff: https://www.ntu.edu.sg/
+