Examine source code of TraDiscord

{
  "manifest_version": 3,
  "name": "TraDiscord",
  "version": "2.7.1",
  "description": "Traduction automatique des messages Discord : messages reçus et messages envoyés. Fonctionne uniquement sur Discord Web.",
  "browser_specific_settings": {
    "gecko": {
      "id": "tradiscord@extension.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "personalCommunications"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "48": "icons/tradiscord.svg",
    "96": "icons/tradiscord.svg"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://discord.com/*",
    "https://ptb.discord.com/*",
    "https://canary.discord.com/*",
    "https://translate.googleapis.com/*",
    "https://translation.googleapis.com/*",
    "https://api-free.deepl.com/*",
    "https://api.deepl.com/*",
    "https://api.cognitive.microsofttranslator.com/*",
    "https://libretranslate.com/*"
  ],
  "optional_host_permissions": [
    "*://*/*"
  ],
  "action": {
    "default_title": "TraDiscord",
    "default_popup": "src/popup/popup.html",
    "default_area": "navbar",
    "default_icon": {
      "48": "icons/tradiscord.svg",
      "96": "icons/tradiscord.svg"
    }
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "src/common/logger.js",
      "src/common/constants.js",
      "src/common/languages.js",
      "src/common/i18n.js",
      "src/common/settings.js",
      "src/common/detect.js",
      "src/common/normalize.js",
      "src/background/cache.js",
      "src/background/providers/base.js",
      "src/background/providers/google-free.js",
      "src/background/providers/deepl.js",
      "src/background/providers/google-cloud.js",
      "src/background/providers/azure.js",
      "src/background/providers/libretranslate.js",
      "src/background/translator.js",
      "src/background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://discord.com/*",
        "https://ptb.discord.com/*",
        "https://canary.discord.com/*"
      ],
      "js": [
        "src/common/logger.js",
        "src/common/constants.js",
        "src/common/languages.js",
        "src/common/i18n.js",
        "src/common/settings.js",
        "src/common/detect.js",
        "src/common/normalize.js",
        "src/content/dom.js",
        "src/content/protect.js",
        "src/content/chatlang.js",
        "src/content/incoming.js",
        "src/content/outgoing.js",
        "src/content/content.js"
      ],
      "css": [
        "src/content/content.css"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ]
}