Week number
Shows current week number
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manifest.json
{
"update_url": "https://clients2.google.com/service/update2/crx",
"manifest_version": 3,
"name": "Week number",
"description": "Shows current week number",
"version": "1.0.2",
"icons": {
"128": "images/icon-128.png"
},
"action": {},
"background": {
"service_worker": "background.js"
}
}