[Extensions] Extensibility by calling other utilities

[Toasterson]

When marked as such by a property in the metadata a blob is not distributed onto the filesystem, but rather the indicated binary is executed and the blob sent to the binary via STDIN

[Toasterson]

Or better dlopen shared objects! dlopen crate tutorial

[Toasterson]

Or abi_stable_crates https://github.com/rodrimati1992/abi_stable_crates