update admin bsb for layout inventory

app/assets/javascripts/inventory.js

@@ -0,0 +1,13 @@
+//= require jquery
+//= require tether
+//= require bootstrap/js/popper.min
+//= require bootstrap/js/bootstrap-material-design.min
+//= require jquery_ujs
+//= require turbolinks
+//= require jquery-slimscroll/jquery.slimscroll.js
+//= require node-waves/waves.js
+//= require sweetalert/sweetalert.min.js
+//= require BSBMaterial/admin.js
+//= require BSBMaterial/demo.js
+//= require custom.js
+//= require select2