Examine source code of Discord Formate

{
  "name": "Discord Formate",
  "description": "Turn boring text into emotes!",
  "version": "0.0.3",
  "manifest_version": 2,
  "options_page": "popup.html",
  "browser_action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "./images/Formate_16.png",
    "32": "./images/Formate_32.png",
    "48": "./images/Formate_48.png",
    "64": "./images/Formate_64.png",
    "128": "./images/Formate_128.png"
  }
}