Update Readme file

Author: Barissa-Imran

0x0A-argc_argv/README.md

@@ -1,11 +1,13 @@
-FILE 0-whatsmyname.c is a program that prints its name, followed by a new line.
+# Welcome to 0x0A-argc_argv
 
-FILE 1-args.c is a program that prints the number of arguments passed into it.
+`FILE 0-whatsmyname.c` is a program that prints its name, followed by a new line.
 
-FILE 2-args.c a program that prints all arguments it receives.
+`FILE 1-args.c` is a program that prints the number of arguments passed into it.
 
-FILE 3-mul.c is a program that multiplies two numbers.
+`FILE 2-args.c` a program that prints all arguments it receives.
 
-FILE 4-add.c is a program that adds positive numbers.
+`FILE 3-mul.c` is a program that multiplies two numbers.
 
-FILE 100-change.c is a program that prints the minimum number of coins to make change for an amount of money.
+`FILE 4-add.c` is a program that adds positive numbers.
+
+`FILE 100-change.c` is a program that prints the minimum number of coins to make change for an amount of money.