Add readme for graders

Assignment1/readme.txt

@@ -0,0 +1,9 @@
+Hello Graders and TA's
+
+To ease my pain I broke up the program into a few files, so you need to compile it like this:
+
+To compile the program run this:
+gcc main.c node.c linked_list.c
+
+Then run the program with this:
+./a.out