Add player-settings link to landing page

WebHostLib/templates/landing.html

@@ -28,6 +28,9 @@
                 <a href="{{ url_for('tutorial') }}">
                     <button>Setup Guide</button>
                 </a>
+                <a href="{{ url_for('player_settings') }}">
+                    <button>Player Settings</button>
+                </a>
                 <a href="{{ url_for("mysterycheck") }}">
                     <button>Test YAML Config</button>
                 </a>