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/static/styles/tracker.css

@@ -26,9 +26,15 @@ html{
     line-height: 20px;
 }
 
+#tracker-header-bar .info{
+    color: #ffffff;
+}
+
 #search{
+    border: 1px solid #000000;
+    border-radius: 3px;
+    padding: 3px;
     width: 200px;
-    height: 20px;
     margin-bottom: 0.5rem;
     margin-right: 1rem;
 }