Examine source code of Lexeri

{
  "manifest_version": 3,
  "name": "Lexeri",
  "short_name": "Lexeri",
  "version": "6.1.5",
  "description": "Lexeri Term-Checks in Firefox",
  "host_permissions": [
    "https://*.lexeri.com/"
  ],
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "tabs",
    "cookies"
  ],
  "optional_permissions": [
    "cookies"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "lib/icons/16.png",
    "32": "lib/icons/32.png",
    "48": "lib/icons/48.png",
    "96": "lib/icons/96.png",
    "128": "lib/icons/128.png"
  },
  "action": {
    "default_icon": {
      "16": "lib/icons/16.png",
      "32": "lib/icons/32.png"
    },
    "default_title": "Lexeri"
  },
  "sidebar_action": {
    "default_icon": {
      "16": "lib/icons/16.png",
      "32": "lib/icons/32.png"
    },
    "default_title": "Lexeri",
    "default_panel": "de/index.html",
    "open_at_install": true
  },
  "background": {
    "scripts": [
      "serviceWorker.js"
    ]
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline'"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/glyph_sprite.svg"
      ],
      "matches": [
        "https://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8e0913b8-d206-4027-9fdf-b55f58afc4a9}",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}