SpeakTweetDeck

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "SpeakTweetDeck",
  "version": "1.1.1",
  "manifest_version": 3,
  "description": "Adds read-aloud functionality to TweetDeck.",
  "content_scripts": [
    {
      "matches": [
        "https://tweetdeck.twitter.com/*"
      ],
      "css": [
        "style.css"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  }
}