nugetize M.F.Core for RC3

Author: adrianstevens

Source/Meadow.Foundation.Core/Meadow.Foundation.Core.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Meadow.Sdk/1.1.0">
+<Project Sdk="Meadow.Sdk/1.1.0">
   <PropertyGroup>
     <Authors>Wilderness Labs, Inc</Authors>
     <TargetFramework>netstandard2.1</TargetFramework>
@@ -24,6 +24,6 @@
     <None Include="..\..\Source\icon.png" Pack="true" PackagePath="" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\Meadow.Contracts\Source\Meadow.Contracts\Meadow.Contracts.csproj" />
+    <PackageReference Include="Meadow.Contracts" Version="0.*" />
   </ItemGroup>
 </Project>