Pipeline for importing auxiliarry data sets

[delucchi-cmu]

Feature request

Create a general-use pipeline for importing auxilliary datasets where the data contains only the id column, but not ra/dec.

See: https://github.com/lincc-frameworks/notebooks_lf/tree/main/sprints/2024/07_25/kostya_aux_data_import

Before submitting Please check the following:

• [ ] I have described the purpose of the suggested change, specifying what I need the enhancement to accomplish, i.e. what problem it solves.
• [ ] I have included any relevant links, screenshots, environment information, and data relevant to implementing the requested feature, as well as pseudocode for how I want to access the new functionality.
• [ ] If I have ideas for how the new feature could be implemented, I have provided explanations and/or pseudocode and/or task lists for the steps.