Adds tags to a resource group with the specified Amazon resource name (ARN). Existing tags on a resource group are not changed if they are not specified in the request parameters.
See https://www.paws-r-sdk.com/docs/resourcegroups_tag/ for full documentation.
resourcegroups_tag(Arn, Tags)
[required] The Amazon resource name (ARN) of the resource group to which to add tags.
[required] The tags to add to the specified resource group. A tag is a string-to-string map of key-value pairs.