Examine source code of Twitch Auto Claim

{
  "manifest_version": 2,
  "name": "Twitch Auto Claim",
  "version": "1.2",
  "description": "Automatically claim channel point bonuses on Twitch. ",
  "icons": {},
  "content_scripts": [
    {
      "matches": [
        "https://www.twitch.tv/*"
      ],
      "js": [
        "twitch-auto-claim.js"
      ]
    }
  ]
}