feat(ios): upgrade button in setting (#13645)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- New Features
- Added a Subscription section in Mobile Settings (for signed-in users)
with plan info and an Upgrade button that opens the native paywall.
  - Supports showing “Pro” and “AI” paywalls.
  - Integrated native paywall provider on iOS.

- Style
- Introduced new styling for the subscription card, content, and button.

- Localization
- Added English strings for subscription title, description, and button.

- Chores
- Minor iOS project cleanup and internal wiring to enable the paywall
module.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/apps/ios/App/App.xcodeproj/project.pbxproj

@@ -88,6 +88,8 @@
 /* Begin PBXFileSystemSynchronizedRootGroup section */
 		9DAE85B72E7BAC3B00DB9F1D /* Plugins */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
+			exceptions = (
+			);
 			path = Plugins;
 			sourceTree = "<group>";
 		};
@@ -307,13 +309,9 @@
 			);
 			inputFileListPaths = (
 			);
-			inputPaths = (
-			);
 			name = "[CP] Embed Pods Frameworks";
 			outputFileListPaths = (
 			);
-			outputPaths = (
-			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
 			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-AFFiNE/Pods-AFFiNE-frameworks.sh\"\n";