Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
The patch includes an example rust source to be used in c++, and its example use in tests/boost/rust_test. Signed-off-by: Wojciech Mitros <wojciech.mitros@scylladb.com>