Add instructions at the start of the program

Author: ibeauregard

my_sqlite.py

@@ -4,6 +4,8 @@
 from my_sqlite.runner import QueryRunner
 
 if __name__ == '__main__':
+    print('\nmy_sqlite: SELECT | INSERT | UPDATE | DELETE')
+    print('To exit the application, use CTRL + D.\n')
     try:
         while True:
             lines, line = [], ''