feat: Meow official logo (extracted from brand image)

- Meow channel mark now uses the official cat-face logo (transparent
  background, cropped from brand image)
- All five channels now have proper brand/themed icons
- version 1.8.10 -> 1.8.11 (code 27 -> 28)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/build.gradle.kts

@@ -13,8 +13,8 @@ android {
         applicationId = "com.a2i.forwarder"
         minSdk = 34
         targetSdk = 36
-        versionCode = 27
+        versionCode = 28
-        versionName = "1.8.10"
+        versionName = "1.8.11"
     }
 
     signingConfigs {

app/src/main/java/com/a2i/forwarder/ui/screens/SettingsScreen.kt

@@ -245,7 +245,7 @@ fun SettingsScreen(onOpenLog: () -> Unit) {
                     summary = "鸿蒙手机推送目标",
                     mark = "M",
                     markColor = Color(0xFF7E57C2),
-                    markIcon = Icons.Filled.Pets,
+                    markLogo = painterResource(R.drawable.ic_meow_logo),
                     platforms = listOf("HarmonyOS"),
                     stopFirst = meowStopFirst,
                     onStopFirstChange = { v -> app.appScope.launch { app.settings.setMeowStopOnFirst(v) } },