It doesn't seem to be updated since May. Perhaps you can fill in the gaps and add the missing spells or update it?
https://github.com/AdiAddons/LibPlayerSpells-1.0
It looks like the addon author said they don't have the bandwidth or time to constantly update it.
Other than that, there really isn't a way to determine crowd control spells without having a database list of them sadly. No filters for things like that.