Examine source code of BDRIS Force Allow Copy

{
  "manifest_version": 2,
  "name": "BDRIS Force Allow Copy",
  "version": "1.0",
  "description": "Automatically enables copy/paste on BDRIS",
  "author": "Md Moazzem Hossen",
  "browser_specific_settings": {
    "gecko": {
      "id": "bdris-unlocker@local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://bdris.gov.bd/*",
        "https://*.bdris.gov.bd/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ]
}