feat: add localStorage helpers and wire team editor pre-fill

src/Views/team-editor.php

@@ -82,6 +82,8 @@ render_layout(static function () use ($csrf, $e, $a, $archetypes, $error, $old,
             <label>Hold rounds: <input type="number" name="holdRoundsRequired" min="1" max="10" value="<?= $e($old['holdRoundsRequired'] ?? '1') ?>"></label>
         </fieldset>
         <button type="submit">Save</button>
+        <button type="button" id="bf-start-match">Start match</button>
     </form>
+    <script type="module" src="<?= $a('/js/storage.js') ?>"></script>
     <?php
 }, $csrf, 'Team editor');