Refactor micropub specific things out to a slice

slices/micropub/config/routes.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+require "hanami/middleware/body_parser"
+
+module Micropub
+  class Routes < Hanami::Routes
+    use Hanami::Middleware::BodyParser, [:form, :json]
+
+    get "/", to: "site.config"
+    post "/", to: "posts.handle"
+    post "/media", to: "media.create"
+    get "/media", to: "media.show"
+
+    post "/webmentions", to: "webmentions.create"
+  end
+end