Examine source code of PullValue - EV Tracker

{
  "manifest_version": 2,
  "name": "PullValue - Mystery Pack EV Tracker",
  "version": "1.0.0",
  "description": "Live EV ratios, odds, hit rates and BUY/CAUTION/SKIP verdicts for Courtyard mystery packs.",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon48.png"
    },
    "default_title": "PullValue"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "pullvalue@extension.local",
      "strict_min_version": "78.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}