adds managers section to admin

app/views/admin/managers/_manager.html.erb

@@ -0,0 +1,13 @@
+<span><%= manager.name %></span>
+<span class="bullet">&nbsp;&bull;&nbsp;</span>
+<span><%= manager.email %></span>
+<% if manager.persisted? %>
+  <%= link_to t('admin.managers.manager.delete'),
+    admin_manager_path(manager),
+    method: :delete,
+    class: "button small alert float-right"
+  %>
+<% else %>
+  <%= link_to t('admin.managers.manager.add'),{ controller: "admin/managers", action: :create, user_id: manager.user_id },
+    method: :post, class: "button small success float-right" %>
+<% end %>

app/views/admin/managers/index.html.erb

@@ -0,0 +1,24 @@
+<h2><%= t("admin.managers.index.title") %></h2>
+<div class="row">
+  <div class="column">
+    <%= form_tag search_admin_managers_path, method: :get, remote: true  do %>
+      <div class="small-12 medium-6 column">
+        <%= text_field_tag :email, '', placeholder: t('admin.managers.search.email_placeholder') %>
+      </div>
+      <div class="small-12 medium-6 column">
+        <%= submit_tag t('admin.managers.search.search'), class: 'button' %>
+      </div>
+    <% end %>
+  </div>
+</div>
+<div id="search-result" class="row small"></div>
+<h3><%= page_entries_info @managers %></h3>
+<ul id="managers" class="admin-list">
+  <% @managers.each do |manager| %>
+    <li>
+      <%= render 'manager', manager: manager %>
+    </li>
+  <% end %>
+</ul>
+
+<%= paginate @managers %>

app/views/admin/managers/search.js.erb

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+$("#search-result").html("<div class=\"panel column\"><%= j render 'manager',  manager: @manager %></div>");

app/views/admin/managers/user_not_found.js.erb

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+$("#search-result").html("<div class=\"panel column\"><%= j t('admin.managers.search.user_not_found') %></div>");