Examine source code of Stop Mod Reposts

{
  "name": "Stop Mod Reposts",
  "version": "5.1.0",
  "description": "__MSG_appdesc__",
  "default_locale": "en",
  "author": "dada513",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "out/background.bundle.js"
    ]
  },
  "permissions": [
    "https://api.stopmodreposts.org/sites.json",
    "tabs",
    "storage"
  ],
  "manifest_version": 2
}