vscode: fix missing python modules, ultimately due to uv sync issue

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["ms-python.python"]
+}

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "python.defaultInterpreterPath": "${workspaceFolder}/python/.venv/bin/python"
+}