Add scaffolding to the MVC sandbox

- need more Tonka trucks

samples/MvcSandbox/project.json

@@ -15,7 +15,15 @@
     "Microsoft.AspNetCore.Server.Kestrel": "1.1.0-*",
     "Microsoft.AspNetCore.StaticFiles": "1.1.0-*",
     "Microsoft.Extensions.Configuration.Json": "1.1.0-*",
-    "Microsoft.Extensions.Logging.Console": "1.1.0-*"
+    "Microsoft.Extensions.Logging.Console": "1.1.0-*",
+    "Microsoft.VisualStudio.Web.CodeGeneration.Tools": {
+      "type": "build",
+      "version": "1.0.0-*"
+    },
+    "Microsoft.VisualStudio.Web.CodeGenerators.Mvc": {
+      "type": "build",
+      "version": "1.0.0-*"
+    }
   },
   "publishOptions": {
     "include": [
@@ -26,7 +34,13 @@
   },
   "tools": {
     "Microsoft.AspNetCore.Razor.Tools": "1.0.0-*",
-    "Microsoft.DotNet.Watcher.Tools": "1.0.0-*"
+    "Microsoft.DotNet.Watcher.Tools": "1.0.0-*",
+    "Microsoft.VisualStudio.Web.CodeGeneration.Tools": {
+      "imports": [
+        "portable-net45+win8"
+      ],
+      "version": "1.0.0-*"
+    }
   },
   "frameworks": {
     "net451": {},
@@ -36,7 +50,11 @@
           "version": "1.0.0-*",
           "type": "platform"
         }
-      }
+      },
+      "imports": [
+        "dotnet5.6",
+        "portable-net45+win8"
+      ]
     }
   }
 }