Examine source code of Anti Grabify V2

{
  "description": "Block grabify and other links by Take#1810",
  "manifest_version": 2,
  "name": "Anti Grabify",
  "version": "2.0",
  "homepage_url": "https://pacsoft.xyz",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "notifications"
  ],
  "background": {
    "scripts": [
      "main.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Anti-Grabify",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "57.0a1",
      "id": "{d823ca44-5a84-4a3e-9884-2b6fb52a71f9}"
    }
  }
}