Document title requirement for recognizing a link

[coffeeshopped]

Hi, thanks for the wonderful plugin! Just a small recommendation that might save others some time: it seems that the wiki links look for a page with a matching "title" front matter piece. I mistakenly thought that I could also leave that out, and that a matching file slug would work instead, and it took me awhile to figure out that title is required for this to work.

I'm an 11ty novice so maybe others won't have that issue, but thought I'd let you know.

[carbontwelve]

Thats a good point, I will be adding a config option which allows the plugin user to determine how a file is resolved.