More Colors for Calendar!

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "More Colors for Calendar!",
  "version": "1.1.2",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://calendar.google.com/*"
      ],
      "js": [
        "/scripts/content.js"
      ]
    }
  ],
  "action": {
    "default_icon": "icon128.png",
    "default_popup": "popup.html"
  },
  "background": {
    "service_worker": "scripts/background.js"
  },
  "permissions": [
    "declarativeContent",
    "storage"
  ],
  "description": "Adds more colors to Google Calendar!"
}