Examine source code of Better Discutaille

{
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "betterdiscutaille@docsystem.xyz",
      "strict_min_version": "42.0"
    }
  },
  "name": "Better Discutaille",
  "version": "1.0",
  "description": "A better version of Discutaille",
  "content_scripts": [
    {
      "matches": [
        "https://discutaille.center/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "betterdiscutaille.js",
        "betterdiscutaille.css",
        "librairies/*"
      ],
      "matches": [
        "https://discutaille.center/*"
      ]
    }
  ],
  "icons": {
    "128": "icons/logo.png"
  }
}