Examine source code of OwlCrypt Password Manager

{
  "manifest_version": 3,
  "name": "OwlCrypt Password Manager",
  "version": "1.0.0",
  "description": "Securely save and auto-fill passwords with zero-knowledge encryption",
  "browser_specific_settings": {
    "gecko": {
      "id": "owlcrypt@owlivion.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "alarms"
  ],
  "host_permissions": [
    "https://*/*",
    "http://localhost/*",
    "http://127.0.0.1/*"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon16.png",
      "32": "assets/icons/icon32.png",
      "48": "assets/icons/icon48.png",
      "128": "assets/icons/icon128.png"
    }
  },
  "icons": {
    "16": "assets/icons/icon16.png",
    "32": "assets/icons/icon32.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://localhost/*",
        "http://127.0.0.1/*"
      ],
      "js": [
        "content/content.js"
      ],
      "css": [
        "styles/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/*",
        "styles/*"
      ],
      "matches": [
        "https://*/*",
        "http://localhost/*",
        "http://127.0.0.1/*"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}