Complete observatory metadata for narods

Complete narod listings in Metadata.py

Will not include metadata from BSL and GUA. These listings will be completed via a follow-up issue

added In Progress label

added Needs Review label and removed In Progress label

changed the description

added Observatory Deployment label

mentioned in merge request !147 (merged)

added In Review label and removed Needs Review label

mentioned in commit 54de657a

closed with merge request !147 (merged)

removed In Review label

changed milestone to %Miniseed Pipeline