Examine source code of Phytonic

{
  "manifest_version": 2,
  "name": "Phytonic",
  "version": "0.1",
  "author": "David Barragán Merino (@bameda)",
  "description": "A funny Firefox addon to correct typos with the Phyton programming language name",
  "homepage_url": "https://github.com/bameda/firefox-addon-phytonic",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png",
    "256": "icons/icon256.png"
  },
  "browser_action": {
    "default_icon": "icons/icon48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "libs/findAndReplaceDOMText.js",
        "content.js"
      ]
    }
  ]
}