feat: torrent file support on web (#171)

ui/flutter/lib/app/modules/create/controllers/create_controller.dart

@@ -1,3 +1,6 @@
+import 'dart:convert';
+import 'dart:typed_data';
+
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -10,6 +13,7 @@ class CreateController extends GetxController
   final isResolving = false.obs;
   final showAdvanced = false.obs;
   late TabController advancedTabController;
+  final fileDataUri = "".obs;
 
   @override
   void onInit() {
@@ -22,4 +26,13 @@ class CreateController extends GetxController
     advancedTabController.dispose();
     super.onClose();
   }
+
+  void setFileDataUri(Uint8List bytes) {
+    fileDataUri.value =
+        "data:application/x-bittorrent;base64,${base64.encode(bytes)}";
+  }
+
+  void clearFileDataUri() {
+    fileDataUri.value = "";
+  }
 }