File hashing (not finished)

src/main.c

@@ -10,7 +10,7 @@ int main(int argc, char *argv[]) {
   server_data.welcome_message = get_welcome_mes();
   server_data.fl_start = NULL;
   server_data.fl_current = NULL;
-  init_connection();
+  init_db_connection();
   get_files_descriptions(&server_data);
   server_data.ls = start_server();
   server_main_loop(&server_data);