I made this as an exercise to learn Rust, and it turned out to be a pretty neat addition to my "do-not-loose-track-of-things" routines. I tried to design it in

I made this as an exercise to learn Rust, and it turned out to be a pretty neat addition to my "do-not-loose-track-of-things" routines. I tried to design it in a way that would accomodate many use cases and workflows. Let me know what you think please! I'd also love review of my code, this is my first rust project in a long time.