boots is a dotnet global tool for "bootstrapping" vsix & pkg files.
#addin nuget:?package=Cake.Boots&version=1.0.4.624
<package id="Cake.Boots" version="1.0.4.624" />
dotnet add package Cake.Boots --version 1.0.4.624
<PackageReference Include="Cake.Boots" Version="1.0.4.624" />