Add files via upload

include/audio_upload_server.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <string>
+
+class AudioUploadServer {
+public:
+    AudioUploadServer();
+    ~AudioUploadServer();
+    AudioUploadServer(const AudioUploadServer&) = delete;
+    AudioUploadServer& operator=(const AudioUploadServer&) = delete;
+
+    bool start(const std::string& bindAddress, const std::string& uploadDirectory,
+               const std::string& assetsRoot, const std::string& sessionCode,
+               std::string& error, bool photoTransfer = false,
+               const std::string& noteSingular = "Switchnote");
+    void stop();
+    bool isRunning() const;
+    bool isConnected() const;
+    bool takeCompletedUpload(int& track);
+    void finishCompletedUpload(bool success);
+
+private:
+    void* impl_ = nullptr;
+};