public Builder addTag(String name, String description) {
            this.tags.put(name, description);
            return this;
        }
Adds the tag's key, value pair to the tags map.

@param name        Name of tag.
@param description Description of tag.
@return This builder.
smithy-codegen-core/src/main/java/software/amazon/smithy/codegen/core/trace/ArtifactDefinitions.java