rewind_enable() adds this automatically. You thus rarely need this
function. Use it when you want the assets before the server function
runs. Use it also when you cannot use insertUI().
Examples
rewind_dependency()
#> List of 10
#> $ name : chr "rewind"
#> $ version : chr "0.2.0"
#> $ src :List of 1
#> ..$ file: chr "/home/runner/work/_temp/Library/rewind/www"
#> $ meta : NULL
#> $ script : chr "rewind.js"
#> $ stylesheet: chr "rewind.css"
#> $ head : NULL
#> $ attachment: NULL
#> $ package : NULL
#> $ all_files : logi TRUE
#> - attr(*, "class")= chr "html_dependency"