This PR:
adds a copyright header in the frost module, in line with what already exists - for example - for the
schnorrsigmodule: https://github.com/bitcoin-core/secp256k1/blob/5b32602295ff7ad9e1973f96b8ee8344b82f4af0/src/modules/schnorrsig/main_impl.h#L1-L5 This is the header that gets added:/*********************************************************************** * Copyright (c) 2023 Bank of Italy * * Distributed under the MIT software license, see the accompanying * * file COPYING or https://www.opensource.org/licenses/mit-license.php.* ***********************************************************************/modifies the READMEs to mention that the original author of the library is Bank of Italy.