missing dictionaries in the gem package

[adrienpoly]

Hello

I noticed that this gem provides several dictionaries but lots of them are missing in the latest release.

As a temporary solution, I am using the gem from the master branch

I think line should be changed

https://github.com/kupolak/textstat/blob/4ffa970f8d4be45dedd9b58fdfe340d5b92b4c73/textstat.gemspec#L35