[bug#42647] add sbcl-qbase64

[Adam Kandur]

(define-public sbcl-qbase64
  (let ((commit "6374899aec189600e6b7b77c89009d0835154b93")
    (revision "1"))
    (package
      (name "sbcl-qbase64")
      (version (git-version "0.0.0" revision commit))
      (source
       (origin
         (method git-fetch)
         (uri (git-reference
               (url "https://github.com/chaitanyagupta/qbase64";)
               (commit commit)))
         (file-name (git-file-name name version))
         (sha256
          (base32 "1dir0s70ca3hagxv9x15zq4p4ajgl7jrcgqsza2n2y7iqbxh0dwi"))))
      (build-system asdf-build-system/sbcl)
      (inputs
       `(("sbcl-trivial-gray-streams" ,sbcl-trivial-gray-streams)
     ("metabang-bind" ,sbcl-metabang-bind)))
      (native-inputs
       `(("fiveam" ,sbcl-fiveam)))
      (home-page "https://github.com/chaitanyagupta/qbase64";)
      (synopsis "qbase64 provides a fast and flexible base64 encoder and 
decoder for Common Lisp.")
      (description "qbase64 provides a fast and flexible base64 encoder and 
decoder for Common Lisp.")
      (license license:bsd-3))))