added primary keys to all models

app/Models/ScheduledTask/ScheduleJob.php

@@ -6,10 +6,13 @@ use Illuminate\Database\Eloquent\Model;
 
 class ScheduleJob extends Model
 {
+    //Table Name
     protected $table = 'schedule_jobs';
 
+    //Timestamps
     public $timestamps = true;
 
+    //Primary Key
     public $primaryKey = 'id';
 
     protected $fillable = [