Ada binding for ReadLine input history (development)

 The GNAT Component Collection deals with: module tracing, efficient
 file IO, static string searching (Boyer-Moore), e-mails and
 mailboxes, Ravenscar tasking profiles, storage pools, JSON, logging,
 shell scripting. Components relying on external dependencies are
 distributed in separate packages.
 .
 This package contains the static library and Ada specifications
 for the binding with GNU readline and history libraries.