feat: go output formatter

core/output/formatter.go

@@ -6,7 +6,7 @@ import (
 
 var Formatters = map[string]interfaces.Formatter{
 	"json":  &JsonFormatter{},
-	"go":    nil,
+	"yaml":  nil,
+	"go":    &GoFormatter{},
 	"table": nil,
-	"xml":   nil,
 }

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
+}