Moved files into Internals/ and Arduino/

srcs/Internals/JsonNodeSerializer.h

@@ -0,0 +1,22 @@
+#pragma once
+
+class Print;
+struct JsonNode;
+
+class JsonNodeSerializer
+{
+public:
+    explicit JsonNodeSerializer(Print& sink)
+        : _sink(sink)
+    {
+    }
+
+    size_t serialize(const JsonNode* node);
+
+private:
+    Print& _sink;
+
+    size_t serializeObject(const JsonNode* node);
+    size_t serializeKeyValue(const JsonNode* node);
+};
+