Add images from ProtonVPN website
Add instructions on how to setup the ProtonVPN with WireGuard
Fix typos in wireguard-selective-routing.rst
Add wireguard-client-proton.rst and wireguard-selective-routing.rst to toctree to remove warnings
Closes #516
Add images from ProtonVPN website Add instructions on how to setup the ProtonVPN with WireGuard Fix typos in wireguard-selective-routing.rst Add wireguard-client-proton.rst and wireguard-selective-routing.rst to toctree to remove warnings Closes #516