Examine source code of Anime Streaming

{
  "applications": {
    "gecko": {
      "id": "extension@anime-streaming.eu"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "description": "This extension is discontinued",
  "icons": {
    "48": "images/48.png",
    "96": "images/96.png",
    "128": "images/128.png"
  },
  "manifest_version": 2,
  "name": "Anime Streaming",
  "permissions": [],
  "version": "1.0.0.1"
}