fix: add ioeither

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

ioeither/bracket.go

@@ -0,0 +1,16 @@
+package ioeither
+
+import (
+	ET "github.com/ibm/fp-go/either"
+	G "github.com/ibm/fp-go/ioeither/generic"
+)
+
+// Bracket makes sure that a resource is cleaned up in the event of an error. The release action is called regardless of
+// whether the body action returns and error or not.
+func Bracket[E, A, B, ANY any](
+	acquire IOEither[E, A],
+	use func(A) IOEither[E, B],
+	release func(A, ET.Either[E, B]) IOEither[E, ANY],
+) IOEither[E, B] {
+	return G.Bracket(acquire, use, release)
+}