Louis | Adds form for selecting bike labels to print

app/views/bikes/print_labels.html.haml

@@ -0,0 +1,3 @@
+- @bikes.each do |bike|
+  =bike.name
+  %br

app/views/bikes/print_select.html.haml

@@ -0,0 +1,14 @@
+.container
+  %h1 Select Bikes To Print
+
+  =form_tag("/bikes/print_labels", method: "get") do
+    %table.table.table-striped.table-bordered.table-hover
+      %thead
+        %tr
+          %th Bike 
+          %th Select
+        -@bikes.each do |bike|
+          %tr
+            %td= bike.name
+            %td= check_box("print_bikes", bike.id) 
+    =submit_tag 'Generate Labels', class: "btn btn-default"