Examine source code of TrashMail.com

{
  "manifest_version": 3,
  "author": "Aionda GmbH",
  "description": "__MSG_extensionDescription__",
  "homepage_url": "https://mail.aionda.com/",
  "name": "__MSG_extensionName__",
  "short_name": "TrashMail",
  "version": "5.0.5",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "spam@trashmail.net",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "images/Icon-16.png",
    "18": "images/Icon-18.png",
    "19": "images/Icon-19.png",
    "32": "images/Icon-32.png",
    "48": "images/Icon-48.png",
    "64": "images/Icon-64.png",
    "128": "images/Icon-128.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "contextMenus",
    "webRequest",
    "webRequestBlocking",
    "webNavigation",
    "notifications",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "api.js",
      "publicsuffixlist.js",
      "background.js",
      "guardian.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "images/Icon-16.png",
      "18": "images/Icon-18.png",
      "19": "images/Icon-19.png",
      "32": "images/Icon-32.png",
      "48": "images/Icon-48.png",
      "64": "images/Icon-64.png",
      "128": "images/Icon-128.png"
    },
    "default_popup": "popup/popup.html",
    "default_title": "__MSG_extensionName__"
  },
  "commands": {
    "paste-address": {
      "suggested_key": {
        "default": "Ctrl+Shift+D"
      },
      "description": "Paste a disposable email address."
    }
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "page": "options/options.html"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "public_suffix.js",
        "api.js",
        "argon2-bundled.min.js",
        "srp-client.js",
        "libopaque.js",
        "opaque-client.js",
        "public_key.json"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}