Supply engine as default config

This is currently supplied by the blueprint. This commit is a proactive step to move to config instead. Consider removing from this from blueprints in later years:

$table->engine = 'InnoDB';

config/database.php

@@ -54,6 +54,7 @@ return [
 
         'mysql' => [
             'driver'    => 'mysql',
+            'engine'    => 'InnoDB',
             'host'      => 'localhost',
             'port'      => 3306,
             'database'  => 'database',