Moved currency_config.h and related CMake/config files to a new src/config directory, creating a dedicated config CMake target. Updated all includes and build scripts to reference the new config location. Removed obsolete cmake/ChainConfig.cmake and example currency config, and restructured genesis generator and premine wallet logic into the new config system for improved modularity and maintainability.
adds this to the bottom of whats there:
// Copyright (c) 2017-2025 Lethean (https://lt.hn)
//
// Licensed under the European Union Public Licence (EUPL) version 1.2.
// You may obtain a copy of the licence at:
//
// https://joinup.ec.europa.eu/software/page/eupl/licence-eupl
//
// The EUPL is a copyleft licence that is compatible with the MIT/X11
// licence used by the original projects; the MIT terms are therefore
// considered “grandfathered” under the EUPL for this code.
//
// SPDX‑License‑Identifier: EUPL-1.2
//
