JSON-based multi-project launch profile

MyApp.slnLaunch

[
  {
    "Name": "API \u002B Windows App",
    "Projects": [
      {
        "Name": "MyApp\\MyApp.Server\\MyApp.Server.csproj",
        "Action": "Start",
        "DebugTarget": "MyApp.Server"
      },
      {
        "Name": "MyApp\\MyApp.Windows\\MyApp.Windows.csproj",
        "Action": "Start",
        "DebugTarget": "MyApp.Windows (Package)"
      }
    ]
  }
]