feat: Add roadmap functionality

- Added a new method `roadmap` to HomeController for displaying the roadmap view.
- Created a new Blade template `roadmap.blade.php` for the roadmap page.
- Defined a route `/roadmap` to access the roadmap feature.

resources/views/roadmap.blade.php

@@ -0,0 +1,33 @@
+@extends('layouts.app')
+
+@section('title', 'Heimerdinger.LoL • Roadmap')
+@section('description', 'See what\'s coming next to Heimerdinger.lol. Vote on features you\'d like to see implemented
+    next.')
+
+@section('content')
+    <section class="text-white bg-stone-900">
+        <div class="max-w-screen-xl px-4 py-8 mx-auto sm:py-12 sm:px-6 lg:py-16 lg:px-8">
+            <div class="max-w-3xl mx-auto text-center">
+                <h1
+                    class="text-3xl font-bold text-transparent uppercase sm:text-4xl bg-gradient-to-bl from-orange-300 to-orange-500 bg-clip-text">
+                    Roadmap</h1>
+
+                <h2 class="mt-4 text-stone-300">
+                    See what's coming next to Heimerdinger.lol. Vote on features you'd like to see implemented next.
+                </h2>
+                <p class="mt-4 mb-8">
+                    View the full roadmap at <a href="https://heimerdinger.features.vote/roadmap"
+                        class="text-orange-300 hover:text-orange-500">Heimerdinger Features Roadmap</a>.
+                </p>
+            </div>
+            <div class="mx-auto ">
+                <div class="mx-auto mt-4" id="feature-map">
+
+                </div>
+            </div>
+        </div>
+    </section>
+
+    <script src="https://features.vote/widget/widget.js" slug="heimerdinger" onload="window.loadVotingBoard('feature-map')">
+    </script>
+@endsection