Add optional argument -start

With this argument, the CLI can now introduce itself to the new user in
an interesting way, giving an introduction to Dynamic CLI. (Just 'start'
would have not worked because that would make it a positional argument
in argparse which was not the desired outcome.)

Author: guptaaastha

main.py

@@ -6,6 +6,10 @@
 version = "0.1"
 
 parser = argparse.ArgumentParser()
+parser.add_argument("-start",  
+                    help="introduce you to dynamic",
+                    action="store_true")
+
 parser.add_argument("-s",
                     "--search",
                     help="enable debug mode",
@@ -34,4 +38,7 @@
 search_flag = Search(ARGV)
 
 if __name__ == "__main__":
-    search_flag.search_args()
+    if ARGV.start:
+        print("add an introduction and emojis here")
+    else:
+        search_flag.search_args()