Split budget and dashboard routes into own files

web/dashboard.html

@@ -11,7 +11,7 @@
             Budgeteer - {{.Token.GetName}}
         </div>
         <div class="container col-lg-12" id="content">
-            {{range .GetBudgets}}
+            {{range .Budgets}}
             <div class="budget-item">
                 <a href="budget/{{.ID}}">{{.Name}}</a>
                 <span class="time"></span>