Examine source code of Twitch Clip Redirect

{
  "manifest_version": 2,
  "name": "Twitch Clip Redirect",
  "version": "6.7",
  "description": "Redirects twitch.tv clip links to clips.twitch.tv for a better player",
  "author": "Hausken",
  "browser_specific_settings": {
    "gecko": {
      "id": "@hausken-clip-redirect",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://www.twitch.tv/*/clip/*",
    "*://twitch.tv/*/clip/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}