feat: add streaming encryption

...v/fitko/fitconnect/api/services/crypto/CryptoService.java

.../fitko/fitconnect/api/services/crypto/KeyStoreReader.java

...va/dev/fitko/fitconnect/core/crypto/JWECryptoService.java

...ev/fitko/fitconnect/core/crypto/PKCS12KeyStoreReader.java

.../fitko/fitconnect/core/crypto/cipher/JWECipherStream.java

...ev/fitko/fitconnect/core/crypto/JWECryptoServiceTest.java

.../dev/fitko/fitconnect/core/crypto/KeyStoreReaderTest.java

core/src/test/resources/sample-pdf-10-mb.pdf

tools/pom.xml

...onnect/tools/jwk/converter/CertificateToJwkConverter.java