Merge branch...

Merge branch 'amanzano/36-refactor-library-rpc-implementation-of-admire-register_adhoc_storage' into 'main'

Resolve "Refactor library RPC implementation of `admire::register_adhoc_storage`"

This MR moves the implementation of the RPC construction to `admire::detail` in `impl.[ch]pp` similarly to other RPCs already refactored. This includes changing the C ADM_types to native C++ types.

Closes #36

See merge request !26