Adds the LootLockerServerSDKEditor as an Editor module in the .uplugin file, enabling editor-specific functionality for the SDK.

…uctured HTTP logging

Refactors the logging system from ULootLockerServerLogger (UObject) to a static FLootLockerServerLogger class. Introduces structured HTTP request/response logging via FLootLockerServerHttpLogEntry, and adds multicast delegates for log events.

…ig and logger

Adds properties and methods to ULootLockerServerConfig and FLootLockerServerLogger to enable/disable file logging, set log file name, and override log level at runtime. Exposes Blueprint-callable methods for these features.

…gging

Updates ULootLockerServerHttpClient to use the new FLootLockerServerLogger and FLootLockerServerHttpLogEntry for all HTTP request and response logging, including timing, headers, and error data.