Added: Temporary overlay text and 2 css layouts.

main.py

@@ -63,4 +63,10 @@ async def read_dashboard(request: Request, db: Session = Depends(auth.get_db)):
 async def logout(request: Request):
     # Clear the session cookie
     request.session.clear()
-    return RedirectResponse(url="/")
+    return RedirectResponse(url="/")
+
+@app.get("/overlay/{user_id}")
+async def read_overlay(request: Request, user_id: int):
+    # This endpoint serves the overlay page.
+    # For now, it just renders the template with placeholder text.
+    return templates.TemplateResponse("overlay.html", {"request": request})