nu-cli ctrl-c feature support. (#3718)

Seems we do `ctrl` feature checks in `nu-cli` and `nu-command`. We should find a better way to report the enabled features un the `version` command without using the conditionals (or somewhere else)

crates/nu-cli/Cargo.toml

@@ -27,6 +27,7 @@ log = "0.4.14"
 pretty_env_logger = "0.4.0"
 strip-ansi-escapes = "0.1.0"
 rustyline = { version="8.1.0", optional=true }
+ctrlc = { version="3.1.7", optional=true }
 shadow-rs = { version="0.5", default-features=false, optional=true }
 serde = { version="1.0.123", features=["derive"] }
 serde_yaml = "0.8.16"

crates/nu-command/src/commands/core_commands/version.rs

@@ -184,6 +184,8 @@ pub fn version(args: CommandArgs) -> Result<OutputStream, ShellError> {
 fn features_enabled() -> Vec<String> {
     let mut names = vec!["default".to_string()];
 
+    // NOTE: There should be another way to know
+    // features on.
     #[cfg(feature = "ctrlc")]
     {
         names.push("ctrlc".to_string());