Add stuff to staff model

src/models/Staff.ts

@@ -12,6 +12,7 @@ export interface StaffInterface extends Document {
   bio: string,
   extension: string,
   acknowledgements: string[],
+  additionalRoles: string[]
 }
 
 const Staff: Schema = new Schema({
@@ -26,6 +27,7 @@ const Staff: Schema = new Schema({
   bio: String,
   extension: String,
   acknowledgements: Array,
+  additionalRoles: Array,
 });
 
 export default model<StaffInterface>('Staff', Staff);