Slack Block User

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Slack Block User",
  "description": "Block Slack User's Messages",
  "version": "1.3.1",
  "permissions": [
    "storage",
    "https://*.slack.com/*"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "icons": {
    "32": "32.png",
    "64": "64.png",
    "128": "128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.slack.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "manifest_version": 2
}