Examine source code of BlankTwitchAds

{
  "description": "Provides supplemental adblocking for Twitch by blanking and muting the video when an ad appears to be playing. Should be compatible with other adblockers.",
  "manifest_version": 2,
  "name": "BlankTwitchAds",
  "version": "1.0",
  "homepage_url": "https://github.com/gardener2/BlankTwitchAds",
  "icons": {
    "48": "bta-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "js": [
        "blanktwitchads.js"
      ]
    }
  ]
}