add sample files for HRRR example

[mel-meng]

need to upload a TSDB icmt, and a few sample files to demonstrate how it works.

[mel-meng]

here is the folder:
https://github.com/innovyze/Open-Source-Support/tree/main/03%20ICMLive/01%20TSDB%20scripts/0003%20-%20HRRR%20Data