ENH: Station List on Zenodo

[KCollins]

• Reconcile current station lists
• Remove PII
• Post to Zenodo (this will become the new single-source-of-truth station list)
• Edit code to point to Zenodo list instead of local spreadsheet

[KCollins]

I've started a Github repo for the nodelist: https://github.com/HamSCI/psws-nodelist/blob/main/psws_nodes.csv