[Bug] Make the API explorer use the correct server URL

[banool]

As it is now, it points to aptos.dev. Instead we want to be able to set it custom for each network to point to the fullnode.

This would be the ideal fix: https://github.com/stoplightio/elements/issues/2279.

[gregnazario]

That fix would be ideal. We could probably change it manually / another option is (just make aptos.dev/v1 be a proxy