Add VSCode launch config for dev server

Added args and env according to the readme file. Developer still needs to run npm run start from the client dir

.vscode/launch.json

@@ -15,6 +15,19 @@
       },
       "preLaunchTask": "Prepare Environment"
     },
+    {
+      "name": "Python: Debug",
+      "type": "python",
+      "request": "launch",
+      "program": "qt_ui\\main.py",
+      "console": "integratedTerminal",
+      "env": {
+        "PYTHONPATH": ".;./pydcs",
+        "CORS_ALLOW_DEBUG_SERVER": "true"
+      },
+      "args": ["--new-map", "--dev"],
+      "preLaunchTask": "Prepare Environment"
+    },
     {
       "name": "Python: Make Release",
       "type": "python",