feat: add cout sink for test

src/test/cout-sink.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <seallib/log.h>
+
+#include <iostream>
+
+using namespace seallib;
+
+class ConOutSink : public ILogSink
+{
+    public:
+        virtual void receiveLog(LogType type, std::string_view loggerName, std::string_view msg) override
+        {
+            std::cout << "[" << loggerName << "] " << seallib::getLogTypeColor(type)  << "["
+                      << seallib::getLogTypeName(type) << "]"
+                      << "\x1b[0m " << msg << std::endl;
+        }
+};