Move files, complete PHP migration

The application works the same way as the F# version

src/start.php

@@ -3,7 +3,8 @@
 use Auth0\SDK\Exception\ConfigurationException;
 use BitBadger\PDODocument\{Configuration, Definition, DocumentException, Mode};
 use Dotenv\Dotenv;
-use MyPrayerJournal\{Auth, Request, Table};
+use MyPrayerJournal\{Auth, Table};
+use MyPrayerJournal\Domain\Request;
 
 require __DIR__ . '/vendor/autoload.php';