REQ: Server browser: improve server details dialog

[mushis]

Is your feature request related to a problem? Please describe.
no. its an enhancement of this menu, to add information about the route to the destination server (qwfwd's used).

Describe the solution you'd like
A new tab, containing the routes and showing operations binded to keys.

Describe alternatives you've considered
nothing.

Additional context
QWFWD proxy is used by most of the community. This is to a) add transparency to qwfwd usage (to the user); b) increase the visibility of qwfwd's impact; c) educate users.

Impact on server or mods
not foreseen