feature(updater): Implement auto-updating system using AppCast protocol

windows/flutter/generated_plugin_registrant.cc

@@ -6,11 +6,14 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <auto_updater_windows/auto_updater_windows_plugin_c_api.h>
 #include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
 #include <screen_retriever_windows/screen_retriever_windows_plugin_c_api.h>
 #include <window_manager/window_manager_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  AutoUpdaterWindowsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("AutoUpdaterWindowsPluginCApi"));
   FlutterSecureStorageWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FlutterSecureStorageWindowsPlugin"));
   ScreenRetrieverWindowsPluginCApiRegisterWithRegistrar(

windows/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  auto_updater_windows
   flutter_secure_storage_windows
   screen_retriever_windows
   window_manager

windows/runner/Runner.rc

@@ -55,6 +55,14 @@ END
 IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
 
 
+/////////////////////////////////////////////////////////////////////////////
+//
+// WinSparkle update signature verification
+//
+
+DSAPub                  DSAPEM                  "resources\\dsa_pub.pem"
+
+
 /////////////////////////////////////////////////////////////////////////////
 //
 // Version

windows/runner/resources/dsa_pub.pem

@@ -0,0 +1,20 @@
+-----BEGIN PUBLIC KEY-----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+-----END PUBLIC KEY-----