docs: Catalog Tool Documentation Update

[Ciheim]

Is your feature request related to a problem? Please describe.
Catalog tool tool documentation is minimal.

Describe the solution you'd like
Needs a link to catalog builder documentation at very least. Further changes could be made but not absolutely necessary.

Describe alternatives you've considered
N/A

Additional context
N/A

[laurenchilutti]

@Ciheim Is the intention of this issue to update the documentation here? : https://github.com/NOAA-GFDL/fre-cli/blob/main/docs/tools/catalog.rst

[Ciheim]

@Ciheim Is the intention of this issue to update the documentation here? : https://github.com/NOAA-GFDL/fre-cli/blob/main/docs/tools/catalog.rst

Yeah, it can serve that purpose