base namespace to nuget_host

.vscode/launch.json

@@ -13,6 +13,7 @@
             "args": [],
             "cwd": "${workspaceFolder}",
             "stopAtEntry": false,
+            "requireExactSource": false,
             "OS-COMMENT5": "Enable launching a web browser when ASP.NET Core starts. For more information: https://aka.ms/VSCode-CS-LaunchJson-WebBrowser",
             "serverReadyAction": {
                 "action": "openExternally",