Added "Mention more hints throughout the book" TODO

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@241 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

TODO

@@ -1,5 +1,8 @@
 These are the TODO items for the next LFS release (3.0):
 
+* Mention more hints through out the books (like BSD hint before
+  staring with chapter 7, devfs hint before running MAKEDEV, etc)
+
 * Fix the layout of intel/chapter7/usage.xml
  
 * Consider ftp://ftp.win.tue.nl/pub/linux-local/utils/kbd/