Publish habits as a webpage

I think it might be a good idea to version control my habits, so that I can
audit them as they change.

I'm publishing these on my website, so that I can refer to them wherever I had
internet.

website/habits/default.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+
+pkgs.stdenv.mkDerivation {
+  name = "habits-webpage";
+  src = ../../org;
+  buildInputs = [];
+  buildPhase = ''
+    ${pkgs.pandoc}/bin/pandoc $src/habits.org -o index.html
+  '';
+  installPhase = ''
+    mv index.html $out
+  '';
+}