Add trip_headsigns as recommended field

[mobilitydataio]

Commit Nº 2

AUTHOR × DATE

• isabelle-dr ( isabelle-dr )
• August 16, 2024 @ 08:54 AM ETC (12:54 PM UTC)

MESSAGE

Add that headsigns are recommended (#485)

FILES CHANGED

https://github.com/google/transit/commit/eedb36b4997a2316840932a91b0819eeab8d4813

https://github.com/google/transit/commit/eedb36b4997a2316840932a91b0819eeab8d4813

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