added clear screen function to cli

pentest_tool/src/cli.rs

@@ -42,6 +42,7 @@ fn help(command: Option<String>){
             "bloodhound" | "bh" => {println!("launch bloodhound in the active project's distrobox"); return;},
             "parse gather contacts" | "pgc" | "parse contacts" | "pc" => {println!("parse gather contacts output"); return;},
             "prune distroboxes" | "pdb" | "prune" => {println!("prune distroboxes for all projects that are not being tracked by this tool (frees up system storage)"); return;},
+            "clear" | "clear screen" | "cls" => {println!("clears the screen of command output"); return},
             _ => ()
         }
     }
@@ -71,6 +72,7 @@ password spray  |  pass spray  |  pas
 bloodhound  |  bh 
 parse gather contacts  |  pgc  |  parse contacts  |  pc  
 prune distroboxes  |  pdb  |  prune  
+clear | clear screen | cls
 help  |  ?  |  -h 
 ")
 }
@@ -156,6 +158,7 @@ pub fn run_command(cmd: String,
                         "bloodhound" | "bh" => {let bloodhound_handle = box_controls::launch_bloodhound_gui(active_project.clone()).unwrap(); return Some(bloodhound_handle);},
                         "parse gather contacts" | "pgc" | "parse contacts" | "pc" => {info_controls::partse_gathercontacts(&active_project); return None},
                         "prune distroboxes" | "pdb" | "prune" => {let prune_thread = box_controls::clean_unused_boxes(&projects, &boxtemplate); return prune_thread},
+                        "clear" | "clear screen" | "cls" => {clear().unwrap(); return None},
                         _ => {println!("unknown command."); return None;}
     }
 }