Returns an NHL.com CMS content module from the Stats REST
API (https://api.nhle.com/stats/rest/{lang}/content/module/{template_key}).
Examples
# \donttest{
try(nhl_stats_content_module(template_key = "example"))
#> 2026-07-18 18:48:30.230939: No content module data for 'example'
#> NULL
# }
