init: Rust/Ratatui TUI project scaffold with nix flake

justfile

@@ -0,0 +1,20 @@
+build:
+    cargo build
+
+release:
+    cargo build --release
+
+run *FLAGS:
+    cargo run -- {{FLAGS}}
+
+check:
+    cargo check
+
+clippy:
+    cargo clippy -- -D warnings
+
+fmt:
+    cargo fmt
+
+test:
+    cargo test