Add WASI SSH CLI and in-process Git SSH transport

userland/ssh-client/src/lib.rs

@@ -0,0 +1,9 @@
+//! SSH2 sessions, world-owned host trust, and host-mediated signing for WASI programs.
+mod command;
+pub mod identity;
+pub mod ssh_hosts;
+pub mod ssh_kex;
+pub mod ssh_wire;
+pub use command::{CommandOutput, DeadlineTcp};
+mod session;
+pub use session::*;