Message Deleter for Slack 3.0

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Message Deleter for Slack 3.0",
  "description": "Automatically delete Slack messages from channels, private channels, threads and direct messages.",
  "version": "3.0.4",
  "author": "Peta Sittek",
  "homepage_url": "https://www.petasittek.com/message-deleter-for-slack-3-0/",
  "icons": {
    "16": "16.77f50729.png",
    "32": "32.c0554300.png",
    "48": "48.5175a535.png",
    "128": "128.58f3a3c9.png"
  },
  "action": {
    "default_title": "Message Deleter for Slack 3.0",
    "default_popup": "popup.08dac17d.html",
    "default_icon": {
      "16": "16.77f50729.png",
      "19": "19.f38a9b14.png",
      "24": "24.00b94af7.png",
      "32": "32.c0554300.png",
      "38": "38.b5565642.png",
      "48": "48.5175a535.png",
      "128": "128.58f3a3c9.png"
    }
  },
  "background": {
    "service_worker": "service-worker.0d275e2c.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://app.slack.com/*"
      ],
      "js": [
        "content-script.9bfbf715.js"
      ],
      "css": [
        "content-script.a14f0829.css"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage"
  ]
}