Examine source code of Scilicet

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Prakhar_rocks",
  "description": "Virtual Green Screens, Blur, Pixelate, Inverse, Contrast and Explore",
  "version": "2.0",
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "main.js",
        "content/injectScripts.js"
      ],
      "matches": [
        "*://meet.google.com/**-**-**"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "dist/*"
  ],
  "background": {
    "scripts": [
      "update.js"
    ]
  },
  "browser_action": {
    "default_title": "Scilicet",
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "*://meet.google.com/**-**-**",
    "storage"
  ],
  "icons": {
    "32": "icons/32.png",
    "64": "icons/64.png",
    "128": "icons/128.png"
  }
}