Work on the intro and the index chapter

levels/intro/risky

@@ -0,0 +1,44 @@
+title = A normal day
+cards =
+
+[description]
+
+You're working on an essay about goldfish! Your current version is already quite nice, but needs a bit more work.
+
+[congrats]
+
+Suddenly, your cat jumps on your keyboard, deletes what you've written, and runs away! Oh no. :( Just look at it now! All your hard work, destroyed!
+
+You decide to be more careful in the future.
+
+(Click "Next Level" as soon as you're ready!)
+
+[setup]
+
+rm -rf .git
+
+echo "~ Why are the best pets ~
+
+- They are pretty.
+- They don't pee on the carpet.
+- They don't make any noise." >> essay.txt
+
+echo "Your cat is sitting next to you, watching you intensely.
+
+It's small, black, and very cute!" > cat
+
+[actions]
+
+test "$(cat essay.txt | wc -l )" -ge 7 && echo "~ Why goldfish are the best pets ~
+
+- asdijwrlj
+- they
+- are
+- delicious
+- adfkafkasdufyasfiudasd" > essay.txt && rm -f cat
+
+
+[win]
+
+# Add two more lines to essay.txt!
+test "$(cat essay.txt | wc -l )" -ge 7