Added mandatory styles to add organizations page (#8500)

Author: drewgillies

src/Bootstrap/dist/css/bootstrap-theme.css

@@ -1,6 +1,11 @@
 .page-add-organization {
-    .owner-image {
-        margin-top: 6px;
-        margin-bottom: 6px;
-    }
-}
+  .owner-image {
+    margin-top: 6px;
+    margin-bottom: 6px;
+  }
+
+  .required:after {
+    color: red;
+    content: " *";
+  }
+}

src/Bootstrap/less/theme/page-add-organization.less

@@ -46,14 +46,14 @@
                         @Html.AntiForgeryToken()
 
                         <div class="form-group @Html.HasErrorFor(m => m.OrganizationName)" id="@organizationNameTextGroupId">
-                            @Html.ShowLabelFor(m => m.OrganizationName)
+                            <span class="required">@Html.ShowLabelFor(m => m.OrganizationName)</span>
                             @Html.ShowTextBoxFor(m => m.OrganizationName)
                             <span class="ms-font-s">This will be your organization account on <i id="@organizationNameTextId">@Url.User("{username}", relativeUrl: false)</i>.</span>
                             @Html.ShowValidationMessagesFor(m => m.OrganizationName)
                         </div>
 
                         <div class="form-group @Html.HasErrorFor(m => m.OrganizationEmailAddress)" id="@emailBoxGroupId">
-                            @Html.ShowLabelFor(m => m.OrganizationEmailAddress)
+                            <span class="required">@Html.ShowLabelFor(m => m.OrganizationEmailAddress)</span>
                             @Html.ShowTextBoxFor(m => m.OrganizationEmailAddress)
                             <span class="ms-font-s">Users can contact your organization at this email address.</span>
                             @Html.ShowValidationMessagesFor(m => m.OrganizationEmailAddress)