code: public function run()
      {
          $source = User::where('email', '=', 'cms@intothesource.com')->first();
          $source_role = Role::where('name', '=', 'source')->first();
          if($source && $source_role){
              DB::table('role_user')->insert([
                  'role_id' => $source_role->id,
                  'user_id' => $source->id,
                  'created_at' => date('c'),
                  'updated_at' => date('c')
              ]);
          }
          $admin = User::where('email', '=', 'admin@admin.com')->first();
          $admin_role = Role::where('name', '=', 'admin')->first();
          if($admin && $admin_role){
              DB::table('role_user')->insert([
                  'role_id' => $admin_role->id,
                  'user_id' => $admin->id,
                  'created_at' => date('c'),
                  'updated_at' => date('c')
              ]);
          }
      }
docs: Run the database seeds.
  
  @return void