OPTIONS returns two slashes in the "service" link header instead of one

[melvincarvalho]

Description

OPTIONS returns two slashes in the "service" link header instead of one

Steps to Reproduce

curl -i -X OPTIONS https://melvincarvalho.solidtest.space/

Expected Results

Link: <https://melvincarvalho.solidtest.space/.well-known/solid> 
rel="service", <https://solidtest.space> rel="http://openid.net/specs/connect/1.0/issuer"

Actual Results

Link: <https://melvincarvalho.solidtest.space//.well-known/solid> 
rel="service", <https://solidtest.space> rel="http://openid.net/specs/connect/1.0/issuer"

Note: two slashes

[melvincarvalho]

Issue seems to be here :

https://github.com/solid/node-solid-server/blob/master/lib/handlers/options.js#L25