update readme file to add Cond.ILIKE

Author: abanoub-fathy

README.md

@@ -150,6 +150,7 @@ There are many methods for building conditions.
 - [Cond.In](https://pkg.go.dev/github.com/huandu/go-sqlbuilder#Cond.In): `field IN (value1, value2, ...)`.
 - [Cond.NotIn](https://pkg.go.dev/github.com/huandu/go-sqlbuilder#Cond.NotIn): `field NOT IN (value1, value2, ...)`.
 - [Cond.Like](https://pkg.go.dev/github.com/huandu/go-sqlbuilder#Cond.Like): `field LIKE value`.
+- [Cond.ILike](https://pkg.go.dev/github.com/huandu/go-sqlbuilder#Cond.ILike): `field ILIKE value`.
 - [Cond.NotLike](https://pkg.go.dev/github.com/huandu/go-sqlbuilder#Cond.NotLike): `field NOT LIKE value`.
 - [Cond.Between](https://pkg.go.dev/github.com/huandu/go-sqlbuilder#Cond.Between): `field BETWEEN lower AND upper`.
 - [Cond.NotBetween](https://pkg.go.dev/github.com/huandu/go-sqlbuilder#Cond.NotBetween): `field NOT BETWEEN lower AND upper`.