…apable of on-the-fly reprojection/transformation

…gcapi_feature_datasources.go for clarity

…efaultWGS84 optional

… setup Postgres including testdata though Docker Compose with Testcontainers

…iners

chore: remove 'env' struct tags, doesn't work nicely with 'default' tag. Rely on existing environment variables expansion logic.

…) and pgx rows (from postgres).

…ut bbox).

…ke tests pass (based on original geopackage tests)

…quest a single feature by ID (either integer of UUID)

…tional Postgres/PostGIS datatypes.

…required indexes

…gres

…gres. Allow Postgres to be more precies with respect to dates, since dates don't really exist in SQLite (text field).

…index