TF-2384 Create TwakeCore in ios folder to handle network jmap request to server

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit d8a330b987860f133b7e56b4aa67669c9d3c8f20)

ios/TwakeCore/Jmap/Model/Email/Email.swift

@@ -0,0 +1,8 @@
+import Foundation
+
+struct Email: Codable {
+    let id: String
+    let subject: String?
+    let preview: String?
+    let from: [EmailAddress]?
+}

ios/TwakeCore/Jmap/Model/Email/EmailAddress.swift

@@ -0,0 +1,6 @@
+import Foundation
+
+struct EmailAddress: Codable {
+    let name: String?
+    let email: String?
+}