Omit footnotes from reading time

[hkailahi]

heneli.dev/heneli-dot-dev/contentlayer.config.ts

Line 24 in 13d7b2d

readingTime: { type: 'json', resolve: (doc) => readingTime(doc.body.raw) },

The full contents of the MDX document are used in the word count. As I don't expect most people to read the footnotes, the way I change the time now is by modifying the words per minute (which is never going to accurate anyways).