Add rough vscode debugging support

Author: daveoconnor

.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python: Attach to Docker",
+            "type": "python",
+            "request": "attach",
+            "connect": {
+                "host": "localhost",
+                "port": 12345
+            },
+            "pathMappings": [
+                {
+                    "localRoot": "${workspaceFolder}",
+                    "remoteRoot": "/code"
+                }
+            ]
+        }
+    ]
+}

requirements-dev.in

@@ -1,3 +1,4 @@
 -c requirements.txt
 django-debug-toolbar
 pydevd-pycharm==243.22562.180  # pinned to appropriate version for current pycharm
+debugpy # for vscode debugging

vscode_debugger.py

@@ -0,0 +1,7 @@
+def set_trace():
+    import debugpy
+
+    # Listen on all interfaces at port 5678
+    debugpy.listen(("172.17.0.1", 12345))
+    print("Waiting for debugger to attach...")
+    debugpy.wait_for_client()  # Optional: pause execution until VS Code attaches