chore: configure VS Code launch tasks

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "python.defaultInterpreterPath": "${workspaceFolder}/offline-backend-20260512/backend/.venv/Scripts/python.exe",
+  "python.terminal.activateEnvironment": true,
+  "typescript.tsdk": "frontend-web/node_modules/typescript/lib",
+  "npm.packageManager": "npm"
+}