Trello Folds (Kanban for Trello)

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Trello Folds (Kanban for Trello)",
  "version": "0.10.3",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128-96.png"
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "action": {
    "default_icon": "icons/icon48.png",
    "default_popup": "popup.html"
  },
  "description": "Turn your Trello board into a Kanban system with WiP limits, combining lists, card count and collapsible lists",
  "content_scripts": [
    {
      "css": [
        "styles.css"
      ],
      "js": [
        "tdom.js",
        "trello-folds.js",
        "content.js"
      ],
      "matches": [
        "https://trello.com/*"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "img/*.png"
      ],
      "matches": [
        "https://trello.com/*"
      ]
    }
  ]
}