Examine source code of Glanced for Firefox

{
  "manifest_version": 3,
  "name": "Glanced for Firefox",
  "short_name": "Glanced",
  "version": "1.0.4",
  "description": "Discover and subscribe to RSS feeds with one click",
  "permissions": [
    "tabs",
    "storage",
    "webNavigation"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png",
      "256": "icons/icon-256.png",
      "512": "icons/icon-512.png",
      "1024": "icons/icon-1024.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png",
    "256": "icons/icon-256.png",
    "512": "icons/icon-512.png",
    "1024": "icons/icon-1024.png"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "shared.js",
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@glanced.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}