Multiselect for Trello

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_appName__",
  "short_name": "Multiselect for Trello",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "9.1.0",
  "manifest_version": 3,
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "action": {
    "default_icon": "icon.png",
    "default_title": "__MSG_appName__"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "img/loading.gif",
        "js/moment.js",
        "js/pikaday.js"
      ],
      "matches": [
        "https://trello.com/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://trello.com/**"
      ],
      "js": [
        "js/jquery.min.js",
        "js/trello.js",
        "js/moment.js",
        "js/pikaday.js",
        "js/script.min.js"
      ],
      "css": [
        "css/ext-styles.css"
      ],
      "run_at": "document_idle"
    }
  ]
}