Examine source code of MrEdgeLord

{
  "manifest_version": 2,
  "name": "MrEdgeLord",
  "description": "Replaces good words with bad words",
  "homepage_url": "https://github.com/mdn/webextensions-examples/tree/master/emoji-substitution",
  "version": "0.9resigned1",
  "icons": {
    "48": "icons/EdgeLogo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "./emojiMap.js",
        "./substitute.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3e47ae5e-8b44-4ee3-9f19-b7045b54d3ba}"
    }
  }
}