manifest.json

{
    "name": "Chat Companion Dev",
    "version": "1.0.2",
    "description": "A companion for Twitch and Youtube Chat. Allows you to count the occurance of words and see moderator deleted chat messages.",
    "manifest_version": 3,
    "author": "Usman Jamshed",
    "action":{
        "default_popup": "index.html",
        "default_title": "Chat Companion"
    },
    "icons" : {
        "16": "icons/favicon-16x16.png",
        "48": "icons/android-chrome-48x48.png",
        "128": "icons/android-chrome-128x128.png"
    },
    "background": { "service_worker": "js/background.js" },
    "permissions": [
        "activeTab",
        "tabs"
    ],
    "content_scripts": [{
        "matches": [
        "http://www.twitch.tv/*", 
        "https://www.twitch.tv/*",
        "http://www.youtube.com/*", 
        "https://www.youtube.com/*"
        ],
        "js": ["js/payload.js"]
    }]
}