ES-Emoji Substitution
"This add-on injects JavaScript into web pages."
## What it does
Replaces words that describe an emoji with the emoji itself.
This runs as a content script and scans web pages, looking for text that can be replaced with emoji.
As an example, after installing visit
https://google.com and notice that the text "google" should change.
## What it shows
A good example for beginners that can be used as a "make your first add-on" tutorial and / or referenced to create other add-ons
