adds heading to results by booth table

app/views/admin/poll/results/_results_by_booth.html.erb

@@ -1,4 +1,5 @@
-<table class="margin" id="booth_assignment_results">
+<h3><%= t("admin.results.results_by_booth.title") %></h3>
+  <table class="margin" id="booth_assignment_results">
   <thead>
     <tr>
       <th><%= t("admin.results.results_by_booth.booth") %></th>

config/locales/en/admin.yml

@@ -658,6 +658,7 @@ en:
         booth: Booth
         results: Results
         see_results: See results
+        title: "Results by booth"
     booths:
       index:
         title: "List of booths"

config/locales/es/admin.yml

@@ -660,6 +660,7 @@ es:
         booth: Urna
         results: Resultados
         see_results: Ver resultados
+        title: "Resultados por urna"
     booths:
       index:
         title: "Lista de urnas"