feat: init audit logger with default logger (#2369)

audit/audit.go

@@ -0,0 +1,13 @@
+package audit
+
+import "log"
+
+var auditLogger *log.Logger
+
+func init() {
+	setupAuditLogger()
+}
+
+func setupAuditLogger() {
+	auditLogger = log.Default()
+}

audit/audit_test.go

@@ -0,0 +1,16 @@
+package audit
+
+import (
+	"log"
+	"testing"
+)
+
+func TestSetupAuditLogger(t *testing.T) {
+	auditLogger = nil
+
+	setupAuditLogger()
+
+	if auditLogger != log.Default() {
+		t.Error("Audit logger isn't set to the default logger!")
+	}
+}