renamed some functions

include/string/StringBuilder.h

@@ -10,7 +10,7 @@ typedef struct StringBuilder {
 static inline StringBuilder StringBuilder_alloc(u32 initial_size) { 
     return (StringBuilder){ .buffer = List_alloc_size(initial_size) }; 
 }
-void StringBuilder_free(StringBuilder* b);
+void StringBuilder_destroy(StringBuilder* b);
 
 /// @param count set to -1 to clear StringBuilder
 void StringBuilder_removeFromEnd(StringBuilder* b, u32 count);