add additional note about navigation links to two of the challenges

seed_data/challenges.json

@@ -30,7 +30,8 @@
         "Now enter the chat room by going to <a href='https://gitter.im/FreeCodeCamp/FreeCodeCamp' target='_blank'>https://gitter.im/FreeCodeCamp/FreeCodeCamp</a> and clicking the \"sign in with GitHub\" button.",
         "Introduce yourself to our chat room by typing: \"hello world!\".",
         "Tell your fellow Code Campers how you found Free Code Camp. Also tell us why you want to learn to code.",
-        "Keep the chat room open while you work through the other challenges. That way you ask for help If you get stuck on a challenge. You can also socialize when you feel like taking a break."
+        "Keep the chat room open while you work through the other challenges. That way you ask for help If you get stuck on a challenge. You can also socialize when you feel like taking a break.",
+        "Now that you've completed this challenge, you can go directly your most-recently visited chat room by clicking the \"Chat\" button in the navigation bar above."
     ]
   },
   {
@@ -47,7 +48,8 @@
         "Here you can read through other Free Code Camp community members' self introductions.",
         "Go ahead and type a brief self introduction of your own.",
         "Click on the \"Categories\" drop-down menu. You should see a category called \"Local Chapters\". Click that. If your city isn't already on the list, create a topic for it. Otherwise, introduce yourself to the other Code Campers from your city.",
-        "Come back here daily to ask questions, engage in discussions, and share links to helpful coding tools."
+        "Come back here daily to ask questions, engage in discussions, and share links to helpful coding tools.",
+        "Now that you've completed this challenge, you can go directly to the forum by clicking the \"Forum\" button in the navigation bar above."
     ]
   },
   {