Examine source code of TRMNL New Tab Display

{
  "manifest_version": 3,
  "name": "TRMNL New Tab Display",
  "version": "1.3",
  "description": "Displays images from TRMNL API on new tab pages",
  "permissions": [
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "http://localhost:3000/*",
    "https://trmnl.com/*"
  ],
  "devtools_page": "devtools.html",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://trmnl.com/*",
        "http://localhost:3000/*"
      ],
      "js": [
        "dashboard-content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@trmnl-without-data-collection",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}