Examine source code of Honey Ultimate 2

{
  "manifest_version": 2,
  "author": "Honey Science Corporation",
  "version": "13.0",
  "name": "Honey Ultimate 2",
  "description": "MSG Automatically find and apply coupon codes when you shop online",
  "default_locale": "en",
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "background": {
    "scripts": [
      "js/background.js",
      "js/background.html"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "js/content.js"
      ],
      "run_at": "document_end",
      "match_about_blank": false,
      "all_frames": true,
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ],
  "web_accessible_resources": [
    "images/*",
    "honey_pay/*"
  ],
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "http://*/*",
    "https://*/*",
    "<all_urls>"
  ],
  "icons": {
    "16": "icons/honey-logo-16.png",
    "48": "icons/honey-logo-48.png",
    "128": "icons/honey-logo-128.png"
  },
  "browser_action": {
    "default_title": "Honey",
    "default_icon": {
      "19": "icons/default-19.png",
      "38": "icons/default-38.png"
    },
    "default_popup": "popover/popover.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "ff_preferences.html"
  },
  "applications": {
    "gecko": {
      "id": "jid1-93CWPelmsRbVPjRQA@jetpack",
      "strict_min_version": "52.0"
    }
  }
}