Rename "rec" command to "record", add "rec" alias

src/cli.rs

@@ -22,7 +22,8 @@ pub struct Cli {
 #[derive(Debug, Subcommand)]
 pub enum Commands {
     /// Record a terminal session
-    Rec(Record),
+    #[clap(visible_alias = "rec")]
+    Record(Record),
 
     /// Stream a terminal session
     Stream(Stream),

src/main.rs

@@ -40,7 +40,7 @@ fn main() -> ExitCode {
     crate::config::check_legacy_config_file();
 
     match cli.command {
-        Commands::Rec(cmd) => {
+        Commands::Record(cmd) => {
             let cmd = Session {
                 output_file: Some(cmd.file),
                 rec_input: cmd.rec_input,