Examine source code of Northguard Password Manager

{
  "name": "Northguard Password Manager",
  "version": "1.0.0",
  "manifest_version": 3,
  "author": "Password Crypt",
  "content_security_policy": {
    "extension_pages": "default-src 'self' https://northguard.pwmanager.dk; script-src 'self'; object-src 'none'; img-src 'self' data: blob:; style-src 'self';"
  },
  "description": "Handle your username and password credentials for all web pages.",
  "homepage_url": "https://northguard.pwmanager.dk",
  "icons": {
    "48": "icons/manifest/extension_icon_48.png",
    "72": "icons/manifest/extension_icon_72.png",
    "512": "icons/manifest/extension_icon_512.png"
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "js/lib/pcrypt.config.js",
      "js/lib/pcrypt.config.loc.js",
      "js/lib/jserror/jserror.js",
      "js/lib/lang/languagedb.js",
      "js/lib/pcrypt.js",
      "js/lib/pcrypt.encrypt.js",
      "js/lib/pcryptapi.js",
      "js/lib/other/prototypes.js",
      "js/lib/other/php.js",
      "js/lib/forge.min.js",
      "js/lib/elliptic.min.js",
      "js/lib/srp6a/thinbus-srp-config.js",
      "js/lib/srp6a/thinbus-srp6a-sha256-versioned.js",
      "js/pcrypt_extension.js",
      "js/pcrypt_shared.js",
      "src/scripts/background.js"
    ]
  },
  "action": {
    "default_icon": {
      "64": "icons/manifest/default_icon_grey.png"
    },
    "default_title": "Northguard Password Manager",
    "default_popup": "src/popup/popup.html"
  },
  "permissions": [
    "activeTab",
    "notifications",
    "geolocation",
    "storage",
    "clipboardWrite",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "css/inject.css",
        "css/variables.css"
      ],
      "js": [
        "src/scripts/inject.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f203e6b8-9982-450d-bf1c-adb33e9a8d88}",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteActivity"
        ],
        "optional": [
          "locationInfo"
        ]
      }
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "css/inject.css",
        "css/variables.css",
        "css/global.css",
        "icons/chevron-left.svg",
        "icons/eye.svg",
        "icons/manifest/default_icon_grey.png",
        "icons/manifest/default_icon_16.png",
        "icons/settings.svg",
        "icons/settings_black.svg",
        "icons/user.svg",
        "icons/close.svg",
        "icons/refresh.svg",
        "icons/common/extension_icon.svg",
        "icons/icon-worldwide.svg"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "fonts/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}