remove unused index page, moar responsive css fixes

lib/pages/index.ex

@@ -1,36 +0,0 @@
-defmodule Llmex.Pages.Index do
-  use Tableau.Page,
-    layout: Llmex.RootLayout,
-    permalink: "/"
-  use Phoenix.Component
-
-  def template(assigns) do
-    ~H"""
-    <section class="hero">
-      <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>
-
-    <section class="featured-content">
-      <h3>Featured Topics</h3>
-      <div class="topics-grid">
-        <div class="topic-card">
-          <h4>Elixir & Phoenix</h4>
-          <p>Deep dives into the Elixir ecosystem and Phoenix framework.</p>
-        </div>
-        <div class="topic-card">
-          <h4>Functional Programming</h4>
-          <p>Exploring functional programming concepts and patterns.</p>
-        </div>
-        <div class="topic-card">
-          <h4>Web Development</h4>
-          <p>Modern web development techniques and best practices.</p>
-        </div>
-      </div>
-    </section>
-    """
-  end
-end