refactor: add game state abstraction

game_state.h

@@ -0,0 +1,17 @@
+#ifndef GAMESTATE_H
+#define GAMESTATE_H
+
+void init_game_state();
+
+// Gets the word at the current element. Will always return a valid non-null pointer to first char of the word
+char *get_curr_word();
+
+char get_curr_letter();
+int get_curr_letter_index();
+
+int get_wins();
+
+// handle either going to the next letter or next word if at the end 
+void next();
+
+#endif