Update polls migration, add group support

database/migrations/2021_07_29_014835_create_polls_table.php

@@ -17,6 +17,7 @@ class CreatePollsTable extends Migration
 			$table->bigInteger('id')->unsigned()->primary();
 			$table->bigInteger('story_id')->unsigned()->nullable()->index();
 			$table->bigInteger('status_id')->unsigned()->nullable()->index();
+			$table->bigInteger('group_id')->unsigned()->nullable()->index();
 			$table->bigInteger('profile_id')->unsigned()->index();
 			$table->json('poll_options')->nullable();
 			$table->json('cached_tallies')->nullable();