Add empty NanaZip.ExtensionPackage.

BuildAllTargets.proj

@@ -16,6 +16,9 @@
       <RestoreProjectReference Include="$(MSBuildThisFileDirectory)NanaZip.sln">
         <AdditionalProperties>Configuration=Release;Platform=x64</AdditionalProperties>   
       </RestoreProjectReference>
+      <RestoreProjectReference Include="$(MSBuildThisFileDirectory)NanaZip.ExtensionPackage\NanaZip.ExtensionPackage.Installer.proj">
+        <AdditionalProperties>Configuration=Release</AdditionalProperties>
+      </RestoreProjectReference>
     </ItemGroup>
     <MSBuild
       Projects="@(RestoreProjectReference)"
@@ -36,6 +39,12 @@
       BuildInParallel="True"
       StopOnFirstFailure="True"
       Properties="PreferredToolArchitecture=x64;Configuration=Release;Platform=x64" />
+    <MSBuild
+      Projects="$(MSBuildThisFileDirectory)NanaZip.ExtensionPackage\NanaZip.ExtensionPackage.Installer.proj"
+      Targets="Build"
+      BuildInParallel="True"
+      StopOnFirstFailure="True"
+      Properties="Configuration=Release" />
   </Target>
   <Target Name="Packaging">
     <PropertyGroup>

NanaZip.ExtensionPackage/NanaZip.ExtensionPackage.Installer.iss

@@ -0,0 +1,35 @@
+#define AppName "NanaZip Extension Package"
+#define AppPublisher "M2-Team"
+#define AppCopyright "© M2-Team and Contributors. All rights reserved."
+#define AppURL "https://github.com/M2Team/NanaZip"
+
+#ifndef AppVersion
+#define AppVersion "5.1.0.0"
+#endif
+
+[Setup]
+AppId={{42795434-AB1A-4197-A724-F13E08953DFC}
+AppName={#AppName}
+AppCopyright={#AppCopyright}
+AppVersion={#AppVersion}
+AppPublisher={#AppPublisher}
+AppPublisherURL={#AppURL}
+AppSupportURL={#AppURL}
+AppUpdatesURL={#AppURL}
+DefaultDirName={autopf}\{#AppName}
+DisableDirPage=yes
+DefaultGroupName={#AppName}
+DisableProgramGroupPage=yes
+VersionInfoVersion={#AppVersion}
+
+PrivilegesRequired=lowest
+PrivilegesRequiredOverridesAllowed=dialog
+OutputBaseFilename=NanaZip.ExtensionPackage_{#AppVersion}
+SolidCompression=yes
+WizardStyle=modern
+
+ArchitecturesAllowed=x64compatible or arm64
+ArchitecturesInstallIn64BitMode=x64compatible or arm64
+
+[Languages]
+Name: "english"; MessagesFile: "compiler:Default.isl"

NanaZip.ExtensionPackage/NanaZip.ExtensionPackage.Installer.proj

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.Build.NoTargets/3.7.56" DefaultTargets="Restore;Build">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <Version>5.1.$([System.DateTime]::Today.Subtract($([System.DateTime]::Parse('2021-08-31'))).TotalDays).0</Version>
+    <InstallerOutputPath>$(MSBuildThisFileDirectory)..\Output</InstallerOutputPath>
+  </PropertyGroup>
+
+  <!-- NOTE: verify Tools.InnoSetup package binaries with official binaries every upgrade -->
+  <ItemGroup>
+    <PackageReference Include="Tools.InnoSetup" Version="6.4.2" />
+  </ItemGroup>
+
+  <Target Name="BuildInstaller" BeforeTargets="AfterBuild">
+    <Exec Command='"$(InnoSetupCompiler)" "$(MSBuildProjectName).iss" "/DAppVersion=$(Version)" "/O$(InstallerOutputPath)"' />
+  </Target>
+</Project>