I have got this combined card-reader, USB-hub, HDMI-adapter, and ethernet card:
https://www.amazon.de/-/en/gp/product/B093FKT9BF/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
All features of that hub work out-of-the-box in LineageOS (16.0 over here, still).
That said, performance-wise, the Ethernet adapter does not even remotely reach the advertised 1 Gbit/s: iperf3 measures ~150 Mbit/s up and ~230 MBit/s down. On the same network, with the same peer, I easily get 300-400 MBit/s via the Pro1's WiFi ...