Examine source code of Stereogum Commenteer

{
  "description": "Builds a list of all of your comments and replies to them",
  "manifest_version": 2,
  "name": "Stereogum Commenteer",
  "version": "0.0.4",
  "icons": {
    "16": "icons/twotone_comment_bank_black_16dp.png",
    "18": "icons/twotone_comment_bank_black_18dp.png",
    "32": "icons/twotone_comment_bank_black_32dp.png",
    "36": "icons/twotone_comment_bank_black_36dp.png",
    "128": "icons/twotone_comment_bank_black_128dp.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.stereogum.com/*"
      ],
      "js": [
        "comment.js",
        "reutils.js"
      ],
      "css": [
        "comment.css"
      ],
      "run_at": "document_end"
    }
  ]
}