Social Media Timer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Social Media Timer",
  "description": "session timer for popular social media websites",
  "version": "1.0",
  "manifest_version": 3,
  "background": {
    "service_worker": "background.js"
  },
  "permissions": [
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "http://*/",
    "https://*/"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "stopwatch.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}