Examine source code of SwiftShift

{
  "manifest_version": 3,
  "name": "SwiftShift",
  "description": "Send content to Telegram instantly",
  "version": "2.0.2",
  "permissions": [
    "contextMenus",
    "storage",
    "activeTab",
    "tabs",
    "notifications",
    "scripting"
  ],
  "host_permissions": [
    "https://api.telegram.org/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "content_scripts": [
    {
      "js": [
        "assets/index.tsx-loader-16a6e6b6.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "commands": {
    "quick_send": {
      "suggested_key": {
        "default": "Alt+Q",
        "mac": "Alt+Q"
      },
      "description": "Send selection or current page to default Telegram target"
    }
  },
  "background": {
    "scripts": [
      "assets/index.ts-a69eb569.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{37a7b129-479b-48b5-8718-4376ab5ccc3c}",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "assets/browser-api-579060d5.js",
        "assets/index.tsx-e2ef9684.js"
      ],
      "use_dynamic_url": false
    }
  ]
}