Many small adjustments

- Adjust header width for scrollbar presence
- Added new header assets for grass and dirt
- Adjusted styles for hosted and tracker
- Expand header to implement templating system
- Much more I have forgotten

WebHostLib/templates/playerSettings.html

@@ -8,7 +8,7 @@
 {% endblock %}
 
 {% block body %}
-    {% include 'cloudHeader.html' %}
+    {% include 'header/grassHeader.html' %}
     <div id="player-settings">
         <h1>Player Settings</h1>
         <div id="instructions">