manifest.json

{
  "manifest_version": 3,
  "name": "Save Pinned Tabs",
  "description": "A browser extension to easily save and load groups of websites via pinned tabs",
  "version": "0.4.0",
  "background": {
    "service_worker": "background.js",
    "type": "module"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "./assets/icons/favicon-16x16.png",
      "32": "./assets/icons/favicon-32x32.png",
      "48": "./assets/icons/favicon-48.png",
      "128": "./assets/icons/favicon-128.png"
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+P",
        "mac": "Command+Shift+P"
      }
    }
  },
  "icons": {
    "16": "./assets/icons/favicon-16x16.png",
    "32": "./assets/icons/favicon-32x32.png",
    "48": "./assets/icons/favicon-48.png",
    "128": "./assets/icons/favicon-128.png"
  }
}