Chrome Extension In React With NPM Modules: Part 2

manifest.json

 "content_scripts": [
    {
      "matches": ["<all_urls>"],
      "js": ["./static/js/content.js"],
      "all_frames": false,
      "run_at": "document_end"
    }
  ],
  "background": { "service_worker": "./static/js/background.js" },
  "commands": {
    "execute": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+MacCtrl+Y"
      },
      "description": "Run execute on the current page."
    }
  }