adds budget/budget_investment indexes to valuators

app/views/valuation/budgets/index.html.erb

@@ -0,0 +1,17 @@
+<h2 class="inline-block"><%= t("valuation.budgets.index.title") %></h2>
+
+<%= render 'shared/filter_subnav', i18n_namespace: "valuation.budgets.index" %>
+
+<h3><%= page_entries_info @budgets %></h3>
+
+<table>
+  <% @budgets.each do |budget| %>
+    <tr id="<%= dom_id(budget) %>" class="budget">
+      <td>
+        <%= link_to budget.name, valuation_budget_budget_investments_path(budget_id: budget.id) %>
+      </td>
+    </tr>
+  <% end %>
+</table>
+
+<%= paginate @budgets %>