Changed naming from Routes to Controllers; fixed some Sinatra modular layout stuff; added RSpec for testing and some basic tests

src/controllers/index.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+require_relative 'base_controller'
+require_relative '../models/test'
+
+# / (top-level) routes
+class IndexController < BaseController
+
+  get '/' do
+    tests = Test.reverse(:updated_at).limit(10).all()
+
+    erb :'index/index', locals: {
+      title: 'Dashboard',
+      tests: tests
+    }
+  end
+
+end