Set IsPackable in Directory.Build.props to false by default

Author: Linlccc

Directory.Build.props

@@ -20,14 +20,17 @@
         <UseArtifactsOutput>true</UseArtifactsOutput>
     </PropertyGroup>
 
-    <PropertyGroup>
+    <PropertyGroup Label="package metadata">
         <version>1.0.0-preview.1</version>
         <PackageIcon>icon.png</PackageIcon>
         <PackageTags>autolaunch autostart</PackageTags>
         <PackageProjectUrl>https://github.com/Linlccc/AutoLaunch</PackageProjectUrl>
         <RepositoryUrl>https://github.com/Linlccc/AutoLaunch</RepositoryUrl>
         <Description>AutoLaunch provides a cross-platform feature for automatically launching applications or executable files at login, suitable for .NET.</Description>
-
+        
+        <!-- You need to manually set IsPackable in the packaged project to true -->
+        <IsPackable>false</IsPackable>
+        <Title>$(AssemblyName)</Title>
         <PackageId>$(AssemblyName)</PackageId>
         <PackageReadmeFile Condition="Exists('README.md') Or Exists('$(SlnReadme)')">README.md</PackageReadmeFile>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>