initialize .changie and backup previous changelog

CHANGELOG.md

@@ -1,16 +1,19 @@
 # Changelog
-
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
-and this project adheres to
+adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html),
+and is generated by [Changie](https://github.com/miniscruff/changie).
 
-* [Semantic Versioning](https://semver.org/spec/v2.0.0.html) for stable releases;
-* date versioning for test releases
 
-## Unreleased
+## 2.0.0
+
+* this is a release to relaunch our proceess of release with semantic versioning
+
+## Test releases
+
+### 2.0.0-beta3
 
-<!-- write down unreleased development here -->
 * [person][export] Fixed: rename the alias for `accompanying_period` to `acp` in filter associated with person
 * [activity][export] Feature: improve label for aliases in "Filter by activity type"
 * [activity][export] DX/Feature: use of an `ActivityTypeRepositoryInterface` instead of the old-style EntityRepository
@@ -18,9 +21,6 @@ and this project adheres to
 * [person][export] Fixed: use left join for related entities in accompanying course aggregators
 * [workflow] Feature: allow user to copy and send manually the access link for the workflow
 * [workflow] Feature: show the email addresses that received an access link for the workflow
-
-## Test releases
-
 ### 2.0.0-beta2
 
 * [workflow]: Fixed: the notification is sent when the user is added to the first step.