add cookieblog to this one

cookieblog/description.md

@@ -0,0 +1 @@
+I found the cookie monster's [blog](http://cookieblog.web.easyctf.com)!

cookieblog/grader.py

@@ -0,0 +1,4 @@
+def grade(random, key):
+        if key.find("yum_c00kies!!!") != -1:
+                return True, "Yum!"
+        return False, "Eww..."

cookieblog/problem.yml

@@ -0,0 +1,7 @@
+title: Cookie Blog
+author: neptunia
+hint: Where can I find cookies on a website?
+category: Web
+autogen: false
+programming: false
+value: 30