Examine source code of hltv forum hider

{
  "manifest_version": 2,
  "name": "hltv forum hider",
  "version": "1.0",
  "description": "removes the hltv.org forum",
  "icons": {
    "48": "icons/hltv-edit.jpg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.hltv.org/*"
      ],
      "js": [
        "hlforumgo.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1543a06f-829a-4388-87df-a6664ee9e309}"
    }
  }
}