Examine source code of Easy ORC Reader

{
  "name": "Easy ORC Reader",
  "action": {},
  "manifest_version": 3,
  "version": "0.2",
  "description": "Makes the ORC easier to cite with specific section numbers",
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "128": "128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "orcreader@test.com",
      "strict_min_version": "42.0"
    }
  }
}