Examine source code of MimicFox

{
  "description": "Read aloud text with Mycroft's mimic",
  "manifest_version": 2,
  "name": "MimicFox",
  "version": "0.1.2",
  "author": "rushikeshprajapati@protonmail.com",
  "applications": {
    "gecko": {
      "id": "mimicfox@ExclusiveRishi.github.io",
      "strict_min_version": "64.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "nativeMessaging",
    "contextMenus",
    "activeTab"
  ]
}