Examine source code of Twitch clip/VOD sync

{
  "manifest_version": 2,
  "name": "Twitch clip/VOD sync",
  "description": "Synchronises a Twitch clip/VOD to another streamers VOD if that streamer was live at the exact moment in time of the clip/VOD.",
  "version": "1.0.4",
  "icons": {
    "16": "./images/icon16.png",
    "48": "./images/icon48.png",
    "128": "./images/icon128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Twitch clip/VOD sync"
  },
  "permissions": [
    "activeTab"
  ]
}