ADD file via upload

src/account.h

@@ -0,0 +1,15 @@
+#ifndef ACCOUNT_H
+#define ACCOUNT_H
+
+#include"case.h"
+#include<vector>
+
+class Authenticator{
+  private:
+    std::vector<User> users;
+  public:
+    User* authenticate(const std::string& username,const std::string& password);
+    Authenticator();
+};
+
+#endif