title: ASP.NET Core Find All Class Types In All Assemblies
body: <p>I am trying to make a modular based .NET core app, and I need to find all classes of a specific type(s) across all assemblies. As each module will be built in it's own project.</p>
  
  <p>But I can't see/find how to do that in ASP.NET Core? Any pointers would be appreciated.</p>