Examine source code of Agent Readiness Inspector

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "0.1.1",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "default_locale": "en",
  "author": "301.st — Smart Traffic <support@301.st>",
  "homepage_url": "https://301.st",
  "permissions": [
    "storage",
    "alarms",
    "<all_urls>"
  ],
  "optional_permissions": [
    "notifications"
  ],
  "options_ui": {
    "page": "dashboard.html",
    "open_in_tab": true
  },
  "sidebar_action": {
    "default_panel": "popup.html?sidepanel=1",
    "default_title": "__MSG_extName__",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "agent-readiness-inspector@301.st",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Agent Readiness Inspector",
    "default_popup": "popup.html"
  }
}