Add support for PsiReferenceContributor for option and type names

[bas-lua]

Hi there,

Currently, if the plugin wasn't able to resolve type name/option name, it will be marked as an error and it looks like there is no way to customise this behaviour.

However, there could be cases when such resolutions are impossible directly from IDE (i.e. when extensions appear on a build server). IDEA contains a mechanism to provide custom reference resolver via PsiReferenceContributor/PsiReferenceProvider interfaces but the plugin does not support this functionality.

[jvolkman]

Sounds reasonable. What will you have these names resolve to?

[bas-lua]

Hi, I have two options so far: create virtual files (i.e. API descriptions) and references to our web-interface.