manifest.json

{
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@lightwizzard.com",
      "strict_min_version": "42.0"
    }
  },

  "background": {
    "scripts": ["jquery.js"],
  },

  "content_security_policy": "script-src 'self' https://lightwizzard.com; object-src 'self'",

  "content_scripts": [
    {
      "exclude_matches": ["*://developer.mozilla.org/*"],
      "matches": ["*://*.mozilla.org/*"],
      "js": ["borderify.js"]
    }
  ],

  "default_locale": "en",

  "description": "...",

  "icons": {
    "48": "icon.png",
    "96": "icon@2x.png"
  },

  "manifest_version": 2,

  "name": "...",

  "permissions": ["webNavigation"],

  "version": "0.1",

  "user_scripts": {
    "api_script": "apiscript.js",
  },

  "web_accessible_resources": ["images/my-image.png"]
}