Links to Documentation are broken

[conorjohn]

I've been having trouble installing this plugin and when I've gone to follow the documentation that is linked to in the ReadMe, the links are broken:

A small update to fix this would help a lot of devs. I hope you can see to this soon, thanks!

[KyleSmith0905]

I needed the documentation as well.

I found that the documentation can be found here: https://github.com/AbelHeinsbroek/chartjs-plugin-crosshair/blob/master/docs/options.md