add validation logs for configured Logger/Audit HTTP targets (#10274)

extra logs in-case of misconfiguration of audit/logger targets

cmd/logger/target/console/console.go

@@ -32,6 +32,11 @@ import (
 // in plain or json format to the standard output.
 type Target struct{}
 
+// Validate - validate if the tty can be written to
+func (c *Target) Validate() error {
+	return nil
+}
+
 // Send log message 'e' to console
 func (c *Target) Send(e interface{}, logKind string) error {
 	entry, ok := e.(log.Entry)