Examine source code of AnimeSama VF

{
  "manifest_version": 2,
  "name": "AnimeSama VF",
  "version": "2.8",
  "description": "Les animes sur anime-sama.fr en version française !",
  "icons": {
    "96": "icons/AnimeSamaVF.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "https://anime-sama.fr/anime/"
      ],
      "js": [
        "AnimeSamaVF.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ade4b9b1-6071-446d-85da-04e4d4387aee}"
    }
  }
}