Changes file names to work on any machine

src/client_main.cpp

 #include "client.hpp"
 #include "definitions.hpp"
-#include "wordle_de.pb.h"
+#include "wordle-de.pb.h"
 #include <iostream>
 #include <string>
 

src/server_main.cpp

@@ -9,7 +9,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <wordle_de.pb.h>
+#include <wordle-de.pb.h>
 
 std::map<std::string, Player *> players;