create mode 100644 crates/ui/Cargo.toml
 create mode 100644 crates/ui/src/layout.rs
 create mode 100644 crates/ui/src/lib.rs
 create mode 100644 crates/ui/src/tests.rs
 create mode 100644 crates/ui/src/text.rs
 create mode 100644 crates/ui/src/theme.rs
 create mode 100644 crates/ui/src/widgets.rs