fix(ios): send affine version on sign in (#11058)

packages/frontend/apps/ios/App/App/AppConfigManager.swift

@@ -0,0 +1,20 @@
+import Foundation
+
+final class AppConfigManager {
+  struct AppConfig: Decodable {
+    let affineVersion: String
+  }
+  
+  static var affineVersion: String? = nil
+  
+  static func getAffineVersion() -> String {
+    if affineVersion == nil {
+      let file = Bundle(for: AppConfigManager.self).url(forResource: "capacitor.config", withExtension: "json")!
+      let data = try! Data(contentsOf: file)
+      let config = try! JSONDecoder().decode(AppConfig.self, from: data)
+      affineVersion = config.affineVersion
+    }
+    
+    return affineVersion!
+  }
+}