created new command for setup

src/app/commands/setup.rs

@@ -0,0 +1,15 @@
+use std::collections::HashMap;
+
+use super::traits::Command;
+
+pub struct Setup;
+
+impl Command for Setup {
+   fn execute(&self, _args: &HashMap<String, String>) -> Result<(), String> {
+       return Ok(())
+   } 
+
+   fn new() -> Self where Self: Sized {
+       return Self {}
+   }
+}