Examine source code of E.M.I.N.A.I

{
  "manifest_version": 3,
  "name": "E.M.I.N.A.I",
  "description": "Save IMDb titles to your personal Notion to-watch-list and manage their watch status.",
  "version": "2.0.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.omdbapi.com/*",
    "https://api.notion.com/*"
  ],
  "action": {
    "default_title": "Click to set up configuration"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*.png"
      ],
      "matches": [
        "https://www.imdb.com/*"
      ]
    },
    {
      "resources": [
        "content-scripts/imdb.css"
      ],
      "matches": [
        "https://www.imdb.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "eminai@sjavorsky.sk",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.imdb.com/title/*"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/imdb.js"
      ]
    }
  ]
}