fix: types (#56)

Author: ricardogobbosouza

lib/plugin.js

@@ -45,6 +45,7 @@ export default async (ctx, inject) => {
     'formatDistance',
     'formatDistanceStrict',
     'formatRelative',
+    'isMatch',
     'isSameWeek',
     'setDay',
     'setWeek',