Examine source code of AUSspeak

{
  "manifest_version": 2,
  "name": "AUSspeak",
  "version": "1.55",
  "description": "Converts common words into their Aussie variants and spelling.",
  "permissions": [
    "storage"
  ],
  "icons": {
    "48": "AUSspeak-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "exclude_globs": [
        "*://github.com/*"
      ],
      "exclude_matches": [
        "*://github.com/*"
      ],
      "js": [
        "AUSspeak.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{617a71e1-5db4-448d-9891-5def0dea11a8}"
    }
  }
}