Smartsheet Dashboard Overlay

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Smartsheet Dashboard Overlay",
  "description": "Adds the ability to overlay shapes & guide-lines on Smartsheet's dashboard editor to assist with more consistent widget placement.",
  "version": "1.0.1",
  "manifest_version": 3,
  "icons": {
    "16": "images/tictactoe-16.png",
    "48": "images/tictactoe-48.png",
    "128": "images/tictactoe-128.png"
  },
  "action": {
    "default_title": "Click to add grid",
    "default_icon": "images/tictactoe.png"
  },
  "options_page": "pages/options.html",
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "css": [
        "css/grid-helper-style.css"
      ],
      "matches": [
        "https://app.smartsheet.com/*"
      ]
    }
  ],
  "host_permissions": [
    "https://app.smartsheet.com/dashboards/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "images/grid.svg",
        "css/grid-helper-style.css"
      ],
      "matches": [
        "https://app.smartsheet.com/*"
      ]
    }
  ]
}