add pdf conversion

Here's the printable version for people who are too good for
markdown for some reason.

README.md

@@ -1,6 +1,7 @@
 Let's make a game, and start small.
 
-# Plan
+Plan
+====
 
 1. Step 1: Make a 0-player fish-tank, full of goblins.
 1. idk, C libraries, probably.
@@ -9,3 +10,16 @@ Let's make a game, and start small.
 
 Read the overview.
 
+Dependencies
+============
+
+- `texlive`
+    * `amsmath`
+    * `amssymb`
+    * `graphicx`
+    * `inputenc`
+    * `fontend`
+    * `textcomp`
+    * `lmodern`
+    * `hyperref`
+- `lowdown`