allow toggling between package and project references

Author: tocsoft

samples/Scratch/Scratch.csproj

@@ -3,11 +3,15 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net5.0</TargetFramework>
+    <UsePackageRef>true</UsePackageRef>
   </PropertyGroup>
-  <ItemGroup>
+  <ItemGroup Condition="'$(UsePackageRef)' != 'true'">
     <ProjectReference Include="..\..\src\Tocsoft.DateTimeAbstractions\Tocsoft.DateTimeAbstractions.csproj" />
     <ProjectReference Include="..\..\src\Tocsoft.DateTimeAbstractions.Analyzer\Tocsoft.DateTimeAbstractions.Analyzer.csproj"
                       OutputItemType="Analyzer"
                       ReferenceOutputAssembly="false" />
   </ItemGroup>
+  <ItemGroup Condition="'$(UsePackageRef)' == 'true'">
+    <PackageReference Include="Tocsoft.DateTimeAbstractions" Version="0.1.4-alpha.0.4" />
+  </ItemGroup>
 </Project>

samples/Scratch/nuget.config

@@ -2,6 +2,6 @@
 <configuration>
   <packageSources>
     <clear />
-    <add key="nuget.org" value="../Tocsoft.DateTimeAbstractions/bin/debug" />
+    <add key="nuget.org" value="https://www.myget.org/F/tocsoft/api/v3/index.json" />
   </packageSources>
 </configuration>