add mono css framework, add some boiler plate, get started on responsive design fixes

lib/pages/home.ex

@@ -0,0 +1,18 @@
+defmodule Llmex.Pages.Index do
+  use Tableau.Page,
+    layout: Llmex.RootLayout,
+    permalink: "/"
+  use Phoenix.Component
+
+  def template(assigns) do
+    ~H"""
+    <section>
+      <h2>Welcome to Llmex Blog</h2>
+      <p>
+        A simple blog built with Elixir, Phoenix LiveView, and Tableau static site generator.
+        Explore our latest posts and insights on functional programming, web development, and more.
+      </p>
+    </section>
+    """
+  end
+end