use Haskell library (#220)

apps/ios/Shared/SimpleXApp.swift

@@ -9,9 +9,26 @@ import SwiftUI
 
 @main
 struct SimpleXApp: App {
+    private let controller: controller
+    init() {
+        hs_init(0, nil)
+        
+        let dataDir = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!.path + "/mobile_v1"
+        var cstr = dataDir.cString(using: .utf8)!
+        let store = chat_init_store(&cstr)
+        let user = String.init(cString: chat_get_user(store))
+        print(user)
+        if user == "{}" {
+            var data = "{ \"displayName\": \"test\", \"fullName\": \"ios test\" }".cString(using: .utf8)!
+            chat_create_user(store, &data)
+        }
+        controller = chat_start(store)
+        var cmd = "/help".cString(using: .utf8)!
+        print(String.init(cString: chat_send_cmd(controller, &cmd)))
+    }
     var body: some Scene {
         WindowGroup {
-            ContentView()
+            ContentView(controller: controller)
         }
     }
 }