Examine source code of redact-it

{
  "manifest_version": 3,
  "name": "Redact",
  "version": "1.1.3",
  "description": "Redact text from websites using regex rules. Export and import rules for backup and sharing.",
  "permissions": [
    "storage",
    "contextMenus"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "128": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content/index.js"
      ],
      "css": [
        "src/styles/redact.css"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "src/background/index.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "redact@creations.works",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}