public function mappings(Request $request)
    {
        $table = new \cli\Table();
        $table->setHeaders([ 'Mapping', 'Database', 'Models path' ]);
        $rows = [];
        $mappings = Mapping::getMappings();
        usort($mappings, function (array $a, array $b) {
            return strcmp($a['config']['name'], $b['config']['name']);
        });
        foreach ($mappings as $mapping) {
            $rows[] = [
                $mapping['config']['name'],
                $mapping['config']['database'],
                $mapping['config']['models']['path'],
            ];
        }
        $table->setRows($rows);
        $table->display();
    }