feat(tgbot-back): start to develop back

Implemented fetchUserTitlesAsync func and embedded it in the code of the front in the trial mode. It needs to be restructured

modules/bot/front/include/structs.hpp

@@ -1,8 +1,10 @@
 #pragma once
 
+namespace BotStructs {
 struct Title {
     int64_t id;
     std::string name;
     std::string description;
     int64_t num;
 };
+}