add a launch.json for WebJobs.Script.WebHost

.vscode/launch.json

@@ -0,0 +1,36 @@
+{
+  // Use IntelliSense to find out which attributes exist for C# debugging
+  // Use hover for the description of the existing attributes
+  // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": ".NET Core Launch (web)",
+      "type": "coreclr",
+      "request": "launch",
+      "preLaunchTask": "build",
+      // If you have changed target frameworks, make sure to update the program path.
+      "program": "${workspaceFolder}/src/WebJobs.Script.WebHost/bin/Debug/netcoreapp2.2/Microsoft.Azure.WebJobs.Script.WebHost.dll",
+      "args": [],
+      "cwd": "${workspaceFolder}/sample/Node",
+      "stopAtEntry": false,
+      // Enable launching a web browser when ASP.NET Core starts. For more information: https://aka.ms/VSCode-CS-LaunchJson-WebBrowser
+      "serverReadyAction": {
+        "action": "openExternally",
+        "pattern": "^\\s*Now listening on:\\s+(https?://\\S+)"
+      },
+      "env": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "sourceFileMap": {
+        "/Views": "${workspaceFolder}/Views"
+      }
+    },
+    {
+      "name": ".NET Core Attach",
+      "type": "coreclr",
+      "request": "attach",
+      "processId": "${command:pickProcess}"
+    }
+  ]
+}