refactor: migrate to gRPC [wip]

lib/grpc/fawkes/fawkes.pbjson.dart

@@ -0,0 +1,45 @@
+//
+//  Generated code. Do not modify.
+//  source: fawkes.proto
+//
+// @dart = 2.12
+
+// ignore_for_file: annotate_overrides, camel_case_types, comment_references
+// ignore_for_file: constant_identifier_names, library_prefixes
+// ignore_for_file: non_constant_identifier_names, prefer_final_fields
+// ignore_for_file: unnecessary_import, unnecessary_this, unused_import
+
+import 'dart:convert' as $convert;
+import 'dart:core' as $core;
+import 'dart:typed_data' as $typed_data;
+
+@$core.Deprecated('Use fawkesReplyDescriptor instead')
+const FawkesReply$json = {
+  '1': 'FawkesReply',
+  '2': [
+    {'1': 'config', '3': 1, '4': 1, '5': 9, '10': 'config'},
+    {'1': 'ff', '3': 2, '4': 1, '5': 9, '10': 'ff'},
+    {'1': 'dd', '3': 3, '4': 1, '5': 9, '10': 'dd'},
+  ],
+};
+
+/// Descriptor for `FawkesReply`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List fawkesReplyDescriptor = $convert.base64Decode(
+    'CgtGYXdrZXNSZXBseRIWCgZjb25maWcYASABKAlSBmNvbmZpZxIOCgJmZhgCIAEoCVICZmYSDg'
+    'oCZGQYAyABKAlSAmRk');
+
+@$core.Deprecated('Use fawkesReqDescriptor instead')
+const FawkesReq$json = {
+  '1': 'FawkesReq',
+  '2': [
+    {'1': 'appkey', '3': 1, '4': 1, '5': 9, '10': 'appkey'},
+    {'1': 'env', '3': 2, '4': 1, '5': 9, '10': 'env'},
+    {'1': 'session_id', '3': 3, '4': 1, '5': 9, '10': 'sessionId'},
+  ],
+};
+
+/// Descriptor for `FawkesReq`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List fawkesReqDescriptor = $convert.base64Decode(
+    'CglGYXdrZXNSZXESFgoGYXBwa2V5GAEgASgJUgZhcHBrZXkSEAoDZW52GAIgASgJUgNlbnYSHQ'
+    'oKc2Vzc2lvbl9pZBgDIAEoCVIJc2Vzc2lvbklk');
+