Add a launch configuration

Author: cedx

.vscode/launch.json

@@ -0,0 +1,12 @@
+{
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"name": "Tests",
+			"request": "launch",
+			"type": "node",
+			"program": "${workspaceFolder}/node_modules/gulp/bin/gulp.js",
+			"args": ["test"]
+		}
+	]
+}