added a little bit of the commands

crates/cli/src/main.rs

@@ -1,3 +1,32 @@
+use std::process;
+
+use clap::Parser;
+use clap::crate_version;
+use cli::Cli;
+use colored::*;
+use git_version::git_version;
+
+const GIT_VERSION: &str = git_version!();
+
 fn main() {
-    println!("Hello, world!");
+    let cli = Cli::parse();
+
+    if cli.version {
+        let top_msg = format!("Harbor version {}", crate_version!().green()).bright_blue();
+        let bottom_msg =
+            format!("An open source secrets management and distribution platform.").blue();
+        let commit_msg = format!("Git commit {}", GIT_VERSION).dimmed();
+
+        println!("{}\n{}\n{}", top_msg, bottom_msg, commit_msg);
+        process::exit(0);
+    }
+
+    if cli.command.is_none() {
+        println!(
+            "{}\n{}",
+            "No command was entered.".red(),
+            "Exiting...".dimmed()
+        );
+        process::exit(0);
+    }
 }