fix: check to see if word is english before searching

[ijemmao]

Describe your changes

Uses the is-english npm package to check whether the search word is in English or not.

Issue ticket number and link

N/A

Motivation and Context

A lot of unrelated words would be returned when simple English terms were searched by users (i.e. apricot, beautiful, thought, etc.) With this change, only relevant word entries will be returned to the user.

How Has This Been Tested?

Locally on my machine.

Screenshots (if appropriate):

N/A