install_duckdb_sqlite() installs the DuckDB SQLite extension used by
eplusr to read EnergyPlus SQLite output files. This helper uses DuckDB's
official extension installation mechanism and may require network access.
install_duckdb_sqlite()TRUE, invisibly, when the extension installation succeeds.
if (FALSE) { # \dontrun{
install_duckdb_sqlite()
} # }