Generate metadata dynamically for corpus (and other) map

[epoudrier]

Premiere research and metadata validation is on-going; working spreadsheet:
https://docs.google.com/spreadsheets/d/1GMlCvJl0ZRcy3mQ-QazeQEWaLrtyodLMNJYKnq7Wzfc/edit?usp=sharing

[epoudrier]

We also need to double-check the number of works that don't have a premiere location.

[ect123]

Craig to write Google apps script for this

[craigsapp]

Metadata worksheet to extract premier data: https://docs.google.com/spreadsheets/d/1GMlCvJl0ZRcy3mQ-QazeQEWaLrtyodLMNJYKnq7Wzfc/edit#gid=1075362090

This will replace the geoJSON file: https://github.com/polyrhythm-project/polyrhythm-maps/blame/main/corpus/corpus.geojson

Also, make hyperlinks from the examples to the polyrhythm example pages, such as: