formating todo

README.md

@@ -1,26 +1,27 @@
 ## todo list :
 
-- [] [builtins] echo
-- [] [builtins] echo -n
-- [] [builtins] cd <relative path>
-- [] [builtins] cd <absolute path>
-- [] [builtins] pwd
-- [] [builtins] export
-- [] [builtins] unset
-- [] [builtins] env
-- [] [builtins] exit
-- [] ' _ignore any special characters_ [ressource](https://linuxhandbook.com/quotes-in-bash/)
-- [] " _ignore any special characters except '$'_
-- [] 
-- [] 
-- [] 
-- [] 
-- [] 
-- [] 
-- [] 
-- [] 
-- [] 
-- [] 
+- [ ] **builtins**
+  - [ ] echo
+- [ ] [builtins] echo -n
+- [ ] [builtins] cd <relative path>
+- [ ] [builtins] cd <absolute path>
+- [ ] [builtins] pwd
+- [ ] [builtins] export
+- [ ] [builtins] unset
+- [ ] [builtins] env
+- [ ] [builtins] exit
+- [ ] ' _ignore any special characters_ [ressource](https://linuxhandbook.com/quotes-in-bash/)
+- [ ] " _ignore any special characters except '$'_
+- [ ] 
+- [ ] 
+- [ ] 
+- [ ] 
+- [ ] 
+- [ ] 
+- [ ] 
+- [ ] 
+- [ ] 
+- [ ] 
 
 ---