added some more commands

server.js

@@ -18,7 +18,7 @@ app.get("/execute", (req, res)=> {
   if (raw_command == ""){
     commands.customTextResponse(res, "");
     return;
-  }
+  }a
 
   const formatted_command = raw_command.trim();
   const command = formatted_command.split(" ")[0]
@@ -29,6 +29,21 @@ app.get("/execute", (req, res)=> {
       break;
     case "ls":
       commands.ls(res);
+      break;
+    case "whoami":
+      commands.whoami(res);
+      break;
+    case "cd":
+      commands.cd(res, formatted_command); 
+      break;
+    case "pwd":
+      commands.pwd(res);
+      break;
+    case "cat":
+      commands.cat(res, formatted_command )
+      break;
+    case "help":
+      commands.help(res);
   }
 })