countdown
The extension shows a Three-Body countdown in your browser new tab. The end date can be configured.
Additional files are visible only to premium users
manifest.json
{
"update_url": "https://clients2.google.com/service/update2/crx",
"name": "countdown",
"version": "1.0.0",
"manifest_version": 3,
"chrome_url_overrides": {
"newtab": "index.html"
},
"icons": {
"128": "icon_128.png"
},
"permissions": [
"storage"
]
}