add debugger

README.md

@@ -8,8 +8,9 @@
 - [ ] check why number stored in int or double
 - [x] get rid of lib math (check in libft)
 - [x] use ft_abs() instead of abs() -> actually abs() is in stdlib
-- [x] handling sign '-' : "+ -2"
-- [x] max exponent len :
+- [x] solve expressions without '=' ?
+- [x] solve when max exponent is 0
+- [x] check reduced form in subject
 
 ## ressources