Examine source code of copylink.dev | Copy link with shortcuts

{
  "manifest_version": 2,
  "name": "__MSG_name__",
  "description": "__MSG_description__",
  "version": "1.9.0",
  "default_locale": "en",
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "homepage_url": "https://github.com/wintorse/copylink-dev",
  "browser_specific_settings": {
    "gecko": {
      "id": "copylink-dev@example.com",
      "strict_min_version": "127.0"
    }
  },
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "web_accessible_resources": [
    "styles/toast.css"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon-16.png",
      "32": "images/icon-32.png",
      "48": "images/icon-48.png",
      "128": "images/icon-128.png"
    }
  },
  "commands": {
    "copy-link": {
      "suggested_key": {
        "default": "Alt+L",
        "mac": "MacCtrl+L"
      },
      "description": "__MSG_copyLinkDescription__"
    },
    "copy-link-for-slack": {
      "suggested_key": {
        "default": "Alt+Shift+L",
        "mac": "MacCtrl+Shift+L"
      },
      "description": "__MSG_copyLinkForSlackDescription__"
    },
    "copy-title": {
      "suggested_key": {
        "default": "Alt+T",
        "mac": "MacCtrl+T"
      },
      "description": "__MSG_copyTitleDescription__"
    },
    "copy-google-sheets-range": {
      "suggested_key": {
        "default": "Alt+R",
        "mac": "MacCtrl+R"
      },
      "description": "__MSG_copyGoogleSheetsRangeDescription__"
    }
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "scripts/content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}