WIP microprints source now showing

also added go to install showboat and rodney for the next steps.

microprints work in qwan tracker, but not in firehose. some of the
rendering is in the project, maybe the library should provide sample
webpages.

app/test/firehose_web/controllers/blog_controller_test.exs

@@ -103,7 +103,8 @@ defmodule FirehoseWeb.BlogControllerTest do
     test "meta tags have correct og_url", %{conn: conn} do
       response = conn |> get(~p"/blog/engineering/hello-world") |> html_response(200)
 
-      assert response =~ ~s(<meta property="og:url" content="http://localhost:4002/blog/engineering/hello-world")
+      assert response =~
+               ~s(<meta property="og:url" content="http://localhost:4002/blog/engineering/hello-world")
     end
   end