Examine source code of Aidaxis - web extension

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "5.4.0",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "48": "icons/icon-on.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1c923897-62f4-4a62-88fa-a0bbf1d035ab}"
    }
  },
  "author": "Aidaxis",
  "action": {
    "default_icon": {
      "48": "icons/icon-off.png"
    },
    "default_title": "Aidaxis",
    "default_popup": "popup/html/popup.html"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content_scripts/apiManager.js",
        "content_scripts/main.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content_scripts/ressources/clientPageHandler.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "content_scripts/ressources/clearWindow.Aidaxis.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "content_scripts/ressources/external/**"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "permissions": [
    "nativeMessaging",
    "storage",
    "tabs",
    "scripting",
    "notifications"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "default_locale": "en"
}