Release v2.0 - Java 25 upgrade with new cryptographic features

  BREAKING CHANGES:
  - Upgraded to Java 25 (from Java 21)
  - Replaced ru.rutoken:pkcs11jna with custom JNA bindings

  NEW FEATURES:
  - PKCS11ECDSASigner: ECDSA signing with SHA-1/224/256/384/512
  - PKCS11Digest: Hardware hashing (MD5, SHA-1/224/256/384/512, RIPEMD-160)
  - PKCS11Random: Hardware RNG extending SecureRandom
  - PKCS11KeyDerivation: ECDH key derivation with multiple KDFs
  - Custom JNA Cryptoki interface based on OASIS PKCS#11 v2.40
  - Multi-part signing for large files (>16KB)

  IMPROVEMENTS:
  - PKCS11Signer: Added SHA-1/224/384/512 algorithm support
  - PKCS11RSACrypto: Simplified to PKCS#1 v1.5 only
  - Added comprehensive exception types for new operations
  - Updated all dependencies to latest versions

  DEPENDENCIES:
  - JNA 5.16.0, dss-token 6.3, BouncyCastle 1.80
  - Lombok 1.18.42 (Java 25 support)
  - JUnit 5.11.4, Mockito 5.15.2

  DOCUMENTATION:
  - Updated README with all new features and examples
  - Added OpenSC 0.26.1 to tested environments
  - Updated architecture diagrams

  Lub krótsza wersja:

  Release v2.0 - Major update with Java 25 and new crypto features

  - Upgrade to Java 25 with updated dependencies
  - Add ECDSA signing, hardware RNG, digest, and ECDH key derivation
  - Replace external PKCS#11 bindings with custom JNA implementation
  - Add multi-part signing for large files
  - Update README with OpenSC 0.26.1 support

Update LICENSE.md

Update PKCS11Example.java

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Adding functionality for getting device information, improving testing