Twitch Chat Helper

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Twitch Chat Helper",
  "short_name": "TCH",
  "version": "1.3.1",
  "description": "Allows to highlight chat messages of selected users, change chat font size and more.",
  "permissions": [
    "activeTab",
    "declarativeContent",
    "notifications",
    "storage",
    "https://*.twitch.tv/",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "page_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "32": "images/icon32.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.twitch.tv/*"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "sounds/*.mp3",
    "sounds/*.ogg"
  ],
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "commands": {
    "_execute_page_action": {
      "suggested_key": {
        "default": "Alt+Q"
      }
    }
  },
  "manifest_version": 2
}