Tinybird forward compatibility

[eclbg]

Two changes to make the project compatible with Tinybird Forward:

• Add TYPE endpoint to endpoint pipes. This was the default in Tinybird Classic, and has to be explicit in Tinybird Forward.
• Add missing columns to MV queries so they match the schema of the target data sources.

I think the second change will be a welcome one, as all columns in the _mv data sources will now be populated from the landing tables, but let me know if the mismatch between the query and the schema was intentional. Both changes will be atomic when applied with tb push -f and will not cause disruptions to existing workspaces with live ingestion and queries.

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