docs: update user instructions in README (#2)

Updated User Instructions and steps to use the sample in the README.md file

Author: devendran-m

README.md

@@ -1,8 +1,11 @@
 ## Simple Interactive Query Generator project using Node.js
 
-Run quesions.js to test the program
-<node questions.js>
+**Steps to use this demo:**
 
-Questions are placed in questions array. You can append/edit the array to add your questions
+**Step 1.** Run quesions.js to test the program <node questions.js>
+
+**Step 2.** Questions are placed in questions array. You can append/edit the array to add your questions
+
+**Step 3.** collectAnswers.js uses Readline interface and Events emitter to make this program work interactively
+  
 
-collectAnswers.js uses Readline interface and Events emitter to make this program work interactively