- Added a new Email defintion (which will soon see it's components changed)

- Added a new post-install script for composer which adds a project skeleton "ready to use".
- Error 500 are now handled properly in production; waiting to see if adjustements will be required before adding other code pages.

skeleton/meta/definitions/env/dev.php

@@ -0,0 +1,14 @@
+<?php
+
+use function DI\create, DI\autowire, DI\get;
+
+use Dump\DumpMiddleware;
+
+if ($_GET['sql'] ?? false) {
+    \Ulmus\Common\PdoObject::$dump = "dump";
+}
+
+return [
+    "dump" => create(DumpMiddleware::class),
+    "errorHandler" => create(Middlewares\Whoops::class),
+];