Examine source code of Add Bidi Support

{
  "manifest_version": 2,
  "name": "Add Bidi support",
  "version": "0.6.0",
  "icons": {
    "48": "./assets/icon/bidi-48px.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "./assets/icon/bidi-48px.png"
    },
    "default_title": "Add Bidi support"
  },
  "background": {
    "scripts": [
      "./background.js"
    ]
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "./add-bidi.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c0c82e93-813d-4c40-b609-5c70f599837a}"
    }
  }
}