Fixed migrations being impossible to run on a clean database.

src/SiteInfo.php

@@ -1,18 +1,28 @@
 <?php
 namespace Misuzu;
 
+use RuntimeException;
 use Index\Config\Config;
 
 class SiteInfo {
     private array $props; // @phpstan-ignore-line: Seems PHPStan doesn't support property hooks yet :)
 
     public function __construct(Config $config) {
+        try {
             $this->props = $config->getValues([
                 ['name:s', 'Misuzu'],
                 'desc:s',
                 'url:s',
                 'ext_logo:s',
             ]);
+        } catch(RuntimeException $ex) {
+            $this->props = [
+                'name' => 'Misuzu',
+                'desc' => '',
+                'url' => '',
+                'ext_logo' => '',
+            ];
+        }
     }
 
     public string $name {