do not specify changes in CHANGELOG before v1

CHANGELOG.md

@@ -1,40 +1,4 @@
 # Changelog
 
-- v0 : first release
-  - Basic first functionalities for grouped orders
-  - Block order for an item when the max quantity is reached
-  - Block order on the grouped order when the dealine is crossed
-
-- v0.3.0 : Fixes for V0 and first improvements
-	- fix bug : we cannot order when there is no item available
-	- add icons
-	- improve order form on mobile
-	- improve frontend on overview page and grouped order creation page
-	- view order detail on click
-	- email list download
-	- update, duplicate and delete grouped order
-	- warning when we create a grouped order with deadline in the past
-
-- v0.5.0 : 
-	- improve pdf grouped order sheet :
-		- add a check column
-		- use weasyprint
-		- not display non null values
-		- sort names in alphabetical order
-
-	- improve order form :
-		- add a note to organizer
-		- add date attribute to an order
-		- the values stay in the form when an error is raised
-		- the items are sorted in alphabetical order
-		- display total price on form
-		- only valid phone numbers are accepted
-
-	- the orga can delete participants orders
-
-	- CSV export of a grouped order
-
-- v1 :
-	- password reset with email
-	- 6 digits code instead of id in grouped order url path
-	- email confirmation on order
+- v1 : 
+	- Basic functionalities for grouped orders