Add default value for `create_table_definition`

In most cases, called by table_name only.
For now , `options` to be passed to `create_table` is string, isn't Hash.

https://github.com/rails/rails/blob/6613716ad7d6fe68dc65dff52694e2d5e72ca2fc/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb#L462
```ruby
      def create_table(table_name, options = {}) #:nodoc:
        super(table_name, options.reverse_merge(:options => "ENGINE=InnoDB"))
      end
```

https://github.com/rails/rails/blob/6613716ad7d6fe68dc65dff52694e2d5e72ca2fc/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb#L28

```ruby
        def visit_TableDefinition(o)
          name = o.name
          create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(name)} "

          statements = o.columns.map { |c| accept c }
          statements.concat(o.indexes.map { |column_name, options| index_in_create(name, column_name, options) })

          create_sql << "(#{statements.join(', ')}) " if statements.present?
          create_sql << "#{o.options}"
          create_sql << " AS #{@conn.to_sql(o.as)}" if o.as
          create_sql
        end
```