Examine source code of Crunchyroll Reddit Button

{
  "manifest_version": 2,
  "name": "Crunchyroll Reddit Button",
  "version": "1.1resigned1",
  "description": "Adds a button to crunchyroll video pages that lets you easily search for the episode on reddit.",
  "icons": {
    "48": "icons/border-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.crunchyroll.com/*"
      ],
      "js": [
        "add.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fa8ebfcb-3ca9-4be7-94aa-81bbff059479}"
    }
  }
}