Adds some stub work for using dotnet pack to create a Nuget package

Author: Warren Buckley

src/Umbraco.Forms.Extensions.Crm.Hubspot/Umbraco.Forms.Extensions.Crm.Hubspot.csproj

@@ -1,10 +1,22 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
 		<!-- Frameworks https://docs.microsoft.com/en-us/dotnet/standard/frameworks#supported-target-frameworks -->
     <TargetFramework>net472</TargetFramework>
   </PropertyGroup>
 
+	<PropertyGroup>
+		<PackageId>Umbraco.Forms.Extensions.Crm.Hubspot</PackageId>
+		<Title>Umbraco Forms Extensions: CRM - Hubspot</Title>
+		<Description>An extension for Umrbaco Forms to add support for submitting data to Hubspot</Description>
+		<PackageIconUrl></PackageIconUrl>
+		<PackageProjectUrl>https://github.com/umbraco/Umbraco.Forms.Extensions</PackageProjectUrl>
+		<RepositoryUrl>https://github.com/umbraco/Umbraco.Forms.Extensions</RepositoryUrl>
+		<Version>1.0.0</Version>
+		<Authors>Umbraco HQ</Authors>
+		<Company>Umbraco</Company>
+	</PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="UmbracoForms.Core" Version="8.7.4" />
   </ItemGroup>