Added many comments outlining ideas

src/AtmAdmin.cpp

@@ -3,7 +3,7 @@
 namespace AtmAdmin {
     char startup() {
         char choice{};
-        std::cout << "1. Change PIN\n" << "2. Change money\n" << "3. Change account name\n" << "Q. Exit the program\n\n";
+        std::cout << "1. Change PIN\n" << "2. Change account name\n" << "3. Change money\n" << "Q. Exit the program\n\n";
         std::cout << ">: ";
 
         std::cin >> choice;

src/main.cpp

@@ -6,15 +6,30 @@
 bool handleUserInformation(char choice, std::string& information) {
     switch (choice) {
         case '1':
+            // Implement a proper function for entering a new pin.
+            // The function should have a somewhat complex algorithm that forces the pin to be secure, and unique.
+            // It should also enforce 4 numbers.
+
+            // Code below is a placeholder.
             std::cout << "Enter new pin: ";
             std::cin >> information;
             break;
         case '2':
-            std::cout << "Enter the amount you wish to have: ";
+            // Implement a function for entering a new username.
+            // The function should check if the name isn't already taken. If it is, return to start.
+            // It will also use an algorithm to check if it's a valid username
+            // This includes no spaces and no starting numbers.
+            // Ensure that the name is also converted to fully lowercase.
+
+            // Code below is a placeholder
+            std::cout << "Enter your new username: ";
             std::cin >> information;
             break;
         case '3':
-            std::cout << "Enter your new username: ";
+            // Simply a way to cheat, very straight-forward.
+
+            // Code below is a placeholder
+            std::cout << "Enter the amount you wish to have: ";
             std::cin >> information;
             break;
         case 'q':