Examine source code of Inclusive Block

{
  "manifest_version": 2,
  "name": "Inclusive Block",
  "description": "Inclusive writing remover, for the sake of readability !",
  "version": "0.2",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}