Examine source code of Reddit Minimum Score

{
  "manifest_version": 2,
  "name": "Reddit Minimum Score",
  "version": "0.65resigned1",
  "content_scripts": [
    {
      "matches": [
        "https://*.reddit.com/r/*",
        "https://*.reddit.com/me/m/*"
      ],
      "exclude_matches": [
        "https://*.reddit.com/r/*/comments/*"
      ],
      "js": [
        "minimumscore.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{52d6f929-8678-4021-b196-22e1d264d847}"
    }
  }
}