feat: add NetBox plugin store

store/templates/admin/login.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1); include dirname(__DIR__) . '/partials/head.php'; ?>
+<section class="login-page shell">
+  <div class="login-card">
+    <span class="eyebrow">Geschützter Bereich</span>
+    <h1>Store-Administration</h1>
+    <p>Plugins und Artefakte werden hier geprüft, bevor sie im öffentlichen Katalog erscheinen.</p>
+    <?php if (($error ?? '') !== ''): ?><div class="notice error"><?= $e($error) ?></div><?php endif; ?>
+    <form method="post" action="/admin/login" class="stack-form">
+      <input type="hidden" name="_csrf" value="<?= $e($csrf) ?>">
+      <label><span>Benutzername</span><input name="username" required autocomplete="username" autofocus></label>
+      <label><span>Passwort</span><input type="password" name="password" required autocomplete="current-password"></label>
+      <button class="button primary wide" type="submit">Sicher anmelden</button>
+    </form>
+  </div>
+</section>
+<?php include dirname(__DIR__) . '/partials/footer.php'; ?>