Update README.md

Bump golang.org/x/text from 0.13.0 to 0.14.0 (#72)

Add go 1.20-1.21. Remove go 1.13-1.16.

Bump golang.org/x/text from 0.12.0 to 0.13.0 (#71)

Document the new feature add in 2.5.0 for custom column name mapping

Added support for custom columns names mapper functions (#70)

fix: Columns and Values should recognize Slice values too (#68)

fix: Columns and Values should recognize pointer values too (#67)

add bingo.sum

set makefile default goal to build

Bump github.com/proullon/ramsql (#58)

Bump golang.org/x/text from 0.9.0 to 0.12.0 (#64)

fix: Allow valid sql types to be used by Columns and Values (#63)

fix: Use model.Type() as cache key instead of model itself (#62)

Implement nested structs for columns and values (#60)