Examine source code of Byoky

{
  "manifest_version": 2,
  "name": "Byoky",
  "description": "Encrypt your AI API keys locally. Never trust another extension with your OpenAI, Anthropic, or Gemini keys.",
  "version": "0.9.13",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1n3eqKldDp0wukl8t9fVQiKZ9J1jtwcww0isKDymSOUNDBvt3ppeuRV6+8eFQ0IfKRBnqP50BHxKG7tQSAyFbNXSzFUPA6DSeFM4JVnynF6TL6FVFEPbnoGoEJp0m8T7FQMIbXKU5zTjjgeBQPffpwshOyrO3G+NcoIqSqIR/6sTRNFcOsfxaBheQf7zYAVuDTcMuOUHw4rI7FXv59Z+EwmszfUZYN/okDBtRrmsjOArNMSmr33Z9JDcGfMVnf0Iv96mbJmCQ+TPvDmV7Y7Ur/CA4M17BY/3r6sV7Th0GwCgm0sLmrfEJg6PQLPthlpQkyk1p2lOXA5iHFRoFKkZKwIDAQAB",
  "permissions": [
    "storage",
    "sidePanel",
    "identity",
    "nativeMessaging",
    "alarms",
    "https://api.anthropic.com/*",
    "https://api.openai.com/*",
    "https://generativelanguage.googleapis.com/*",
    "https://api.mistral.ai/*",
    "https://api.cohere.com/*",
    "https://api.x.ai/*",
    "https://api.deepseek.com/*",
    "https://api.perplexity.ai/*",
    "https://api.groq.com/*",
    "https://api.together.xyz/*",
    "https://api.fireworks.ai/*",
    "https://openrouter.ai/*",
    "https://*.openai.azure.com/*",
    "https://console.anthropic.com/v1/oauth/*",
    "https://oauth2.googleapis.com/token"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "byoky@byoky.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {},
  "sidebar_action": {
    "default_panel": "sidepanel.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "content-scripts/content.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "content-scripts/provider.js"
      ],
      "world": "MAIN"
    }
  ]
}