manifest.json

{
  "manifest_version": 2,
  "name": "TinyWebEx MessageHandler library dev example",
  "short_name": "TinyWebEx MessageHandler",
  "version": "1.0",
  "author": "rugk",

  "description": "A handler for showing customizable, hidable notification messages in your add-on.",
  "homepage_url": "https://github.com/TinyWebEx/MessageHandler",

  // only for the unit test, we need to load libraries from CDNs
  "content_security_policy": "default-src 'none'; style-src 'self' https://unpkg.com; script-src 'self' https://unpkg.com",

  "permissions": [
    // required, because of dependency on Logger and this depends on AddonSettings
    "storage"
  ],
  "applications": {
    "gecko": {
      //ID required, because of storage permission
      "id": "exampleId@rugk.github.io",
      // minimum version, because of module system
      "strict_min_version": "60.0a1"
    }
  }
}