Begin a C++ cli and remove the Python scripts

cli/commandadd.h

@@ -0,0 +1,24 @@
+#ifndef COMMANDADD_H
+#define COMMANDADD_H
+#include <QMutex>
+#include "command.h"
+enum AddFileResult
+{
+	OK,
+	SKIPPED,
+	DBFAIL
+};
+
+class CommandAdd : public Command
+{
+  private:
+	AddFileResult addFile(QString path);
+	QMutex writeMutex;
+
+  public:
+	using Command::Command;
+
+	int handle(QStringList arguments) override;
+};
+
+#endif // COMMANDADD_H