Update the display name, description, class name, README and example workflow file names per Nvidia's naming. The node ID RTXTrueHDR is unchanged so existing workflows keep working. Bump version to 0.2.1. Amp-Thread-ID: https://ampcode.com/threads/T-01a1325a-88ff-740d-a7ca-1cf3bf8f601f Co-authored-by: Amp <amp@ampcode.com>