Fixed metatdata

ios/App/Shared/util/Extensions.swift

@@ -0,0 +1,20 @@
+//
+//  Extensions.swift
+//  App
+//
+//  Created by Rasmus Krämer on 14.04.22.
+//
+
+import Foundation
+
+extension String: Error {}
+
+extension Encodable {
+  func asDictionary() throws -> [String: Any] {
+    let data = try JSONEncoder().encode(self)
+    guard let dictionary = try JSONSerialization.jsonObject(with: data, options: .allowFragments) as? [String: Any] else {
+      throw NSError()
+    }
+    return dictionary
+  }
+}