Examine source code of Run Comparison Toolv

{
  "manifest_version": 2,
  "name": "Run Comparison Tool",
  "version": "1.0",
  "description": "Compare your running sessions and analyze improvements.",
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e8aa6bf8-4862-4270-aea9-0d72949c2122}"
    }
  }
}