Adds the specified tags to the specified resource. You can tag your Application Load Balancers and your target groups.
Each tag consists of a key and an optional value. If a resource already has a tag with the same key, AddTags updates its value.
To list the current tags for your resources, use DescribeTags. To remove tags from your resources, use RemoveTags.
/// A tag key was specified more than once.
///
/// The specified load balancer does not exist.
///
/// The specified target group does not exist.
///
/// You've reached the limit on the number of tags per load balancer.
///
