Use a CLI toml query program to extract the version string from Cargo.toml into the banner makefile variable. So that we don't need to repeat ourself so often regarding version numbers.
This requires adopting a GNU compatible make implementation, for $(shell) support.
Also, either link to cargo documentation on optional dependencies, or else link to the example Cargo.toml file, instead of hardcoding the version in the README.
Use a CLI toml query program to extract the version string from Cargo.toml into the banner makefile variable. So that we don't need to repeat ourself so often regarding version numbers.
This requires adopting a GNU compatible make implementation, for
$(shell)support.Also, either link to cargo documentation on optional dependencies, or else link to the example Cargo.toml file, instead of hardcoding the version in the README.