Add descriptions to commands and improve REPL display formatting

engine/src/core/commands.rs

@@ -1,36 +0,0 @@
-use std::process::Command;
-
-use log2::{debug, info};
-
-use crate::core::repl::COMMAND_LIST;
-
-pub fn say_hello() {
-    println!("Hello from your new command!");
-}
-
-pub fn echo(args: Vec<String>) {
-    debug!("{}", args.join(" "));
-    println!("{}", args.join(" "))
-}
-
-pub fn exit() {
-    debug!("Exiting...");
-    std::process::exit(0)
-}
-pub fn clear() {
-    info!("Clearing screen..., running command");
-    let _result = if cfg!(target_os = "windows") {
-        debug!("target_os is windows");
-        Command::new("cmd").args(["/c", "cls"]).spawn()
-    } else {
-        debug!("target_os was unix");
-        // "clear" or "tput reset"
-        Command::new("tput").arg("reset").spawn()
-    };
-}
-pub fn cmds() {
-    println!("Commands:");
-    for cmd in COMMAND_LIST.commands.read().iter() {
-        println!("{:#}", cmd);
-    }
-}