initial work on app client tutorial

tutorials/app_client_tutorial/step1.cpp

@@ -0,0 +1,26 @@
+#include <iostream>
+#include <string>
+
+int main() {
+    bool done = false;
+    std::string input;
+
+    while (!done) {
+        std::cout << "Enter Command: ";
+        std::getline(std::cin, input);
+
+        if (input == "quit") {
+            done = true;
+        } else if (input == "help") {
+            std::cout 
+                << "\nCommand List:\n"
+                << "help: Display this help text\n"
+                << "quit: Exit the program\n"
+                << std::endl;
+        } else {
+            std::cout << "Unrecognized Command" << std::endl;
+        }
+    }
+
+    return 0;
+}