New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/platform/servers_list.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <map>
+#include <optional>
+#include <string>
+#include <vector>
+
+namespace downloader
+{
+// Dynamic configuration from MetaServer.
+struct MetaConfig
+{
+  using ServersList = std::vector<std::string>;
+  ServersList m_serversList;
+  using SettingsMap = std::map<std::string, std::string>;
+  SettingsMap m_settings;
+  std::string m_productsConfig;
+};
+
+std::optional<MetaConfig> ParseMetaConfig(std::string const & jsonStr);
+}  // namespace downloader