Document NewYAMLOrJSONDecoder usage
**What**
Explain the 100 in the call to NewYAMLOrJSONDecoder
@@ -41,6 +41,7 @@ func (c profileConfigMapClient) Get(ctx context.Context, namespace string, names
profile := Profile{}
data := strings.NewReader(cm.Data["profile"])
+ // uses first 100 bytes to determine yaml or json parsing
err = yaml.NewYAMLOrJSONDecoder(data, 100).Decode(&profile)
if err != nil {
return nil, err
