refactor a lot of things

fix: postgres_passwords could be longer
feat: able to define postgresql databases from the ui

bootstrap/helpers/databases.php

@@ -0,0 +1,28 @@
+<?php
+
+use App\Models\StandaloneDocker;
+use App\Models\StandalonePostgresql;
+use Visus\Cuid2\Cuid2;
+
+function generate_database_name(string $type): string
+{
+    $cuid = new Cuid2(7);
+    return $type . '-database-' . $cuid;
+}
+
+function create_standalone_postgresql($environment_id, $destination_uuid): StandalonePostgresql
+{
+    // TODO: If another type of destination is added, this will need to be updated.
+    $destination = StandaloneDocker::where('uuid', $destination_uuid)->first();
+    if (!$destination) {
+        throw new Exception('Destination not found');
+    }
+    return StandalonePostgresql::create([
+        'name' => generate_database_name('postgresql'),
+        'postgres_password' => \Illuminate\Support\Str::password(),
+        'environment_id' => $environment_id,
+        'destination_id' => $destination->id,
+        'destination_type' => $destination->getMorphClass(),
+    ]);
+
+}