api appointment store and show

app/Models/Person.php

@@ -102,4 +102,9 @@ class Person extends Model
     {
         return $this->hasOne(User::class, 'person_id');
     }
+
+    public function appointmentParticipantables()
+    {
+        return $this->morphMany(AppointmentParticipant::class, 'participantable');
+    }
 }