refactoring, add examples, move to library()

include/main.h

@@ -1,12 +0,0 @@
-#ifndef MAIN_H
-#define MAIN_H
-
-#include "tgbot.h"
-
-#define WELCOME_MSG "Hi there! This bot is coded in C."
-
-void parse_command(tgbot *bot, tgbot_update *update);
-void sighandler(int signum);
-void callback_parser(tgbot *bot, tgbot_cbquery *query);
-
-#endif // MAIN_H

include/tgbot.h

@@ -33,7 +33,6 @@ struct tgbot_me_t {
 };
 typedef struct tgbot_me_t tgbot_me;
 
-/* TODO: implement variable length string */
 /**
  * A structure to represent Update object
  */