Work on the intro and the index chapter

levels/files/files-move

@@ -1,28 +1,27 @@
 title = No sleep required
-cards = checkout commit-auto reset-hard file-new file-delete file-rename
+cards = file-new file-delete file-rename
 
 [description]
 
-Our client just let us know they don't need sleep! Huh.
+Actually, you decide that you don't need any sleep.
 
-Because of that, they won't require a bed, and have asked you to build some other piece of furniture from the wood.
+Because of that, you won't require a bed, and can build some other piece of furniture from the wood!
 
-Can you rename the object into something else, give it a new description, and make a commit from that?
 
 [setup]
 
 echo A yellow cupboard with lots of drawers. > cupboard
 echo A really big yellow shelf. > shelf
 echo A comfortable, yellow bed with yellow cushions. > bed
-git add .
-git commit -m "Initial furniture"
 
 [win]
 
-NUM_FILES="$(git ls-tree --name-only -r HEAD | wc -l)"
-NUM_BEDS="$(git ls-tree --name-only -r HEAD | grep '^bed$' | wc -l)"
-test "$NUM_BEDS" = 0 && test "$NUM_FILES" -ge 3
+# Rename the bed into something else, and give it a new description!
+NUM_FILES="$(ls | wc -l)"
+! test -f bed && test "$NUM_FILES" -ge 3 && ! grep -r "yellow bed" .
 
 [congrats]
 
 Neat! It even still looks a bit comfortable!
+
+You head out, eager for your first lesson at time travel school!