Examine source code of BibleTextFinder

{
  "manifest_version": 2,
  "name": "BibleTextFinder",
  "version": "6.0",
  "description": "Opens a new tab to BibleGateway.com with selected text when 'Alt+Shift+x' is pressed.",
  "icons": {
    "48": "icons/ico_48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "menus",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e4d0dec7-7267-4aba-97e4-bbe0979cc48d}"
    }
  }
}