Add basic benchmarks
Add basic benchmarks

jonasi/pgx,plopik/pgx,jackc/pgx,plopik/pgx,silviucm/pgx,silviucm/pgx,jackc/tern,jackc/pgx,jackc/tern-deb,silviucm/pgx,plopik/pgx,kelvich/pgx,jackc/pgx,deoxxa/pgx,josephglanville/pgx,jackc/pgx,axsy-dev/tern,rsto/pgx