idea for handling static RX_PROCESSOR without leak

wip: processing character input
wip
wip: separated entry code out into app
wip: structured ap to create board and datalogger
wip: setting up command service
wip: character processor trait
feat: mutex handling of command recognizer data
fix: separated embedded code from host testable code
wip: separate host testable code from embedeed code
rename to command_registry
fix CommandRegistry instantiation
trying to think less 🤜 🧠 🤛
fix all control_interface tests, fix a bug I indirectly instigated
feat: solved command data shared variable, character processor works in interrupt

rrivirr / rriv-rust