Examine source code of Scpify

{
  "manifest_version": 2,
  "name": "Scpify",
  "version": "1.0",
  "description": "SCP Classifications for Furaffinity and E621 Posts",
  "icons": {
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "96": "icons/icon96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://e621.net/*",
        "*://e926.net/*"
      ],
      "js": [
        "scpify_E6.js"
      ]
    },
    {
      "matches": [
        "*://www.furaffinity.net/view/*"
      ],
      "js": [
        "scpify_Furaffinity_view.js"
      ]
    },
    {
      "matches": [
        "*://www.furaffinity.net/submit/submission/4/*"
      ],
      "js": [
        "scpify_Furaffinity_submit.js"
      ]
    }
  ]
}