Examine source code of Paste Anyway

{
  "manifest_version": 3,
  "name": "Paste Anyway",
  "version": "1.1",
  "description": "Allows pasting text on sites that have disabled it",
  "browser_specific_settings": {
    "gecko": {
      "id": "paste-anyway@extroverteddeveloper.com",
      "strict_min_version": "121.0"
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "contextMenus",
    "clipboardRead"
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}