feat: add update page, refactor update checking process

resources/views/livewire/update-badge.blade.php

@@ -0,0 +1,48 @@
+<?php
+
+use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\Cache;
+use Livewire\Component;
+
+new class extends Component
+{
+    public bool $hasUpdate = false;
+
+    public function mount(): void
+    {
+        $this->checkForUpdate();
+    }
+
+    public function checkForUpdate(): void
+    {
+        $currentVersion = config('app.version');
+        if (! $currentVersion) {
+            return;
+        }
+
+        $response = Cache::get('latest_release');
+        if (! $response) {
+            return;
+        }
+
+        // Handle both single release object and array of releases
+        if (is_array($response) && isset($response[0])) {
+            // Array of releases - find the latest one
+            $latestRelease = $response[0];
+            $latestVersion = Arr::get($latestRelease, 'tag_name');
+        } else {
+            // Single release object
+            $latestVersion = Arr::get($response, 'tag_name');
+        }
+
+        if ($latestVersion && version_compare($latestVersion, $currentVersion, '>')) {
+            $this->hasUpdate = true;
+        }
+    }
+} ?>
+
+<span>
+    @if($hasUpdate)
+        <flux:badge color="yellow"><flux:icon name="sparkles" class="size-4"/></flux:badge>
+    @endif
+</span>