feat(http): add option to skip SSL certificate verification (#801)

ui/flutter/lib/api/model/request.dart

@@ -8,12 +8,14 @@ class Request {
   Object? extra;
   Map<String, String>? labels = {};
   RequestProxy? proxy;
+  bool skipVerifyCert = false;
 
   Request({
     required this.url,
     this.extra,
     this.labels,
     this.proxy,
+    this.skipVerifyCert = false,
   });
 
   factory Request.fromJson(Map<String, dynamic> json) =>

ui/flutter/lib/api/model/request.g.dart

@@ -15,6 +15,7 @@ Request _$RequestFromJson(Map<String, dynamic> json) => Request(
       proxy: json['proxy'] == null
           ? null
           : RequestProxy.fromJson(json['proxy'] as Map<String, dynamic>),
+      skipVerifyCert: json['skipVerifyCert'] as bool? ?? false,
     );
 
 Map<String, dynamic> _$RequestToJson(Request instance) {
@@ -31,6 +32,7 @@ Map<String, dynamic> _$RequestToJson(Request instance) {
   writeNotNull('extra', instance.extra);
   writeNotNull('labels', instance.labels);
   writeNotNull('proxy', instance.proxy?.toJson());
+  val['skipVerifyCert'] = instance.skipVerifyCert;
   return val;
 }