func HandleInventoryUpdate(w http.ResponseWriter, r *http.Request, ctx *parser.Context) {
	ctx.Title = "Ingress Inventory"
	ctx.AddJavascript("/js/update-inventory.js")
	if err := parser.Render(w, ctx, "update-inventory.html"); err != nil {
		log.Println(err)
	}
}
func HandleInventoryAdd(w http.ResponseWriter, r *http.Request, ctx *parser.Context) {
	ctx.Title = "Ingress Inventory"
	if err := parser.Render(w, ctx, "update-inventory.html"); err != nil {
		log.Println(err)
	}
}