Examine source code of PoE2Dire

{
  "manifest_version": 3,
  "name": "PoE2Dire",
  "short_name": "PoE2Dire",
  "version": "2.5.1",
  "description": "Render Path of Exile patch notes in a Dota-style format.",
  "icons": {
    "16": "assets/icons/PoE2Dire-icon-16.png",
    "32": "assets/icons/PoE2Dire-icon-32.png",
    "48": "assets/icons/PoE2Dire-icon-48.png",
    "128": "assets/icons/PoE2Dire-icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.pathofexile.com/forum/*",
    "https://br.pathofexile.com/forum/*",
    "https://ru.pathofexile.com/forum/*",
    "https://th.pathofexile.com/forum/*",
    "https://de.pathofexile.com/forum/*",
    "https://fr.pathofexile.com/forum/*",
    "https://es.pathofexile.com/forum/*",
    "https://jp.pathofexile.com/forum/*",
    "https://www.poewiki.net/*",
    "https://www.poe2wiki.net/*"
  ],
  "action": {
    "default_title": "Click to activate",
    "default_icon": {
      "16": "assets/icons/PoE2Dire-icon-16.png",
      "32": "assets/icons/PoE2Dire-icon-32.png",
      "48": "assets/icons/PoE2Dire-icon-48.png",
      "128": "assets/icons/PoE2Dire-icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.pathofexile.com/forum/*",
        "https://br.pathofexile.com/forum/*",
        "https://ru.pathofexile.com/forum/*",
        "https://th.pathofexile.com/forum/*",
        "https://de.pathofexile.com/forum/*",
        "https://fr.pathofexile.com/forum/*",
        "https://es.pathofexile.com/forum/*",
        "https://jp.pathofexile.com/forum/*"
      ],
      "css": [
        "core/styles.css",
        "extension/type-search.css"
      ],
      "js": [
        "core/PoE2Dire-core.js",
        "extension/type-search.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "poe2dire@aisatan.github.io",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "140.0"
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}