Examine source code of DBD Build Tracker

{
  "manifest_version": 3,
  "name": "DBD Build Tracker",
  "version": "1.3",
  "description": "Track Dead by Daylight survivor AND killer builds, log matches, counter killers, and roll Chaos Shuffle builds.",
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "dbd-build-tracker@pyam-koko",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+D",
        "mac": "Command+Shift+D"
      },
      "description": "Open DBD Build Tracker"
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "DBD Build Tracker (Ctrl+Shift+D)",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}