Add Rakefile

Rakefile

@@ -0,0 +1,17 @@
+desc "compile and run the site"
+task :default do
+  pids = [
+    spawn("jekyll server -w"),
+    spawn("scss --watch _assets:stylesheets"),
+    spawn("coffee -b -w -o javascripts -c _assets/*.coffee")
+  ]
+
+  trap "INT" do
+    Process.kill "INT", *pids
+    exit 1
+  end
+
+  loop do
+    sleep 1
+  end
+end