Checks whether the TemplateFlow R package is installed and provides cache information.
Examples
# \donttest{
check_templateflow()
#> === TemplateFlow Installation Status ===
#>
#> templateflow R package: INSTALLED
#> Version: 0.0.1
#> Cache info: unavailable ( 'tf_home' is not an exported object from 'namespace:templateflow' )
#>
#> Templates available: 28
#>
#> === Status: Ready ===
#> TemplateFlow is properly installed and ready to use.
# }