Use thiserror crate for email (instead of manually implementing all 'From' traits)
drwxr-xr-x - .cargo
-rw-r--r-- 11 .gitattributes
-rw-r--r-- 234 .gitignore
-rw-r--r-- 86477 Cargo.lock
-rw-r--r-- 267 Cargo.toml
-rw-r--r-- 1687 README.md
-rw-r--r-- 3490 TODO.md
drwxr-xr-x - backend
-rw-r--r-- 94 check_cargo_dependencies_upgrade.nu
drwxr-xr-x - common
-rw-r--r-- 1100 deploy.nu
drwxr-xr-x - doc
drwxr-xr-x - frontend
drwxr-xr-x - stress_tests