ColorfulPWA

manifest.json

{
  "manifest_version": 2,
  "name": "ColorfulPWA",
  "description": "This extension allows you to choose web application titlebar color.",
  "version": "1.0.0",
  "author": "antoinel12",
  "homepage_url": "https://github.com/antoinel12/ColorfulPWA",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "js/eventPage.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": "icon16.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/contentScript.js"
      ],
      "run_at": "document_end"
    }
  ],
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}