Examine source code of Web to Data

{
  "manifest_version" : 3 ,
  "name" : "Web to Data",
  "version" : "0.1.1",
  "description" : "Turn any webpage into a spreadsheet. Select what you want. Export in seconds.",
  "permissions" : [
    "activeTab" ,
    "scripting" ,
    "storage" ,
    "alarms" ,
    "notifications" 
  ],
  "icons" : {
    "16" : "icons/icon16.png",
    "32" : "icons/icon32.png",
    "48" : "icons/icon48.png",
    "128" : "icons/icon128.png"
  },
  "action" : {
    "default_title" : "Web to Data",
    "default_icon" : {
      "16" : "icons/icon16.png",
      "32" : "icons/icon32.png",
      "48" : "icons/icon48.png",
      "128" : "icons/icon128.png"
    }
  },
  "background" : {
    "scripts" : [
      "background.js" 
    ],
    "type" : "module" 
  },
  "optional_host_permissions" : [
    "<all_urls>" 
  ],
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title" : "Web to Data",
    "default_icon" : {
      "16" : "icons/icon16.png",
      "32" : "icons/icon32.png",
      "48" : "icons/icon48.png",
      "128" : "icons/icon128.png"
    },
    "open_at_install": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4d57ec69-dba9-4d88-b51a-dc2f37de8aed}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}