Added FTS5 tests, formatting

Updated sqlite-vec to 0.1.6 (#7)

Added Int8 and Bool vectors

Use any Sendable instead of Any (#6)

Updated sqlite-vec to 0.1.3 & sqlite-amalgamation-3450300 (#5)

Updated sqlite-vec to 0.1.2

added transation, number of changes, affected rows

Removed unsafe flags

better error handling

fixed spi build, added license