rustic-mode コマンド

Command	Key	Description
rustic-compile	C-c C-c C-u	cargo build
rustic-cargo-doc	C-c C-c d	cargo doc
rustic-cargo-check	C-c C-c C-k	cargo check
rustic-cargo-run	C-c C-n, C-c C-c C-r	cargo run
rustic-cargo-add	C-c C-c a	cargo add