feat: go output formatter

core/output/go.go

@@ -0,0 +1,13 @@
+package output
+
+import (
+	"fmt"
+	"io"
+	"strings"
+)
+
+type GoFormatter struct{}
+
+func (f *GoFormatter) Format(object any) (io.Reader, error) {
+	return strings.NewReader(fmt.Sprintf("%#v", object)), nil
+}