Examine source code of Highlighter

{
  "manifest_version": 3,
  "name": "Highlighter",
  "version": "1.0.2",
  "action": {
    "default_popup": "popup.html",
    "default_title": "Highlighter"
  },
  "description": "An great extension that lets you highlight the text, that you remember and helps you to organize and browse them effeciently",
  "permissions": [
    "activeTab",
    "cookies",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScript.js"
      ],
      "css": [
        "contentScript.css"
      ]
    }
  ],
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Alt+A"
      }
    },
    "search": {
      "suggested_key": {
        "default": "Ctrl+Space"
      }
    },
    "color": {
      "suggested_key": {
        "default": "Ctrl+Shift+Space"
      }
    },
    "topic": {
      "suggested_key": {
        "default": "Ctrl+Alt+Space"
      }
    },
    "pen": {
      "suggested_key": {
        "default": "Ctrl+Alt+P"
      }
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "./arrow.svg",
        "./noSearch.png",
        "openExternalLink.svg"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "icons": {
    "48": "./logo48.png",
    "96": "./logo96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "afce128f-2d75-492a-ac3a-805cd0293ffc@Highlighter"
    }
  }
}