Update CHANGELOG.md, update docs

Author: Art4

CHANGELOG.md

@@ -9,7 +9,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Added support for updating groups.
+- Added support for updating groups with method `Redmine\Api\Group::update()`.
+- New method `Redmine\Api\Project::close()` to close a project.
+- New method `Redmine\Api\Project::reopen()` to reopen a project.
+- New method `Redmine\Api\Project::archive()` to archive a project.
+- New method `Redmine\Api\Project::unarchive()` to unarchive a project.
 
 ### Changed
 

docs/usage.md

@@ -253,6 +253,10 @@ $client->getApi('project')->create([
 $client->getApi('project')->update($projectId, [
     'name' => 'different name',
 ]);
+$client->getApi('project')->close($projectId);
+$client->getApi('project')->reopen($projectId);
+$client->getApi('project')->archive($projectId);
+$client->getApi('project')->unarchive($projectId);
 $client->getApi('project')->remove($projectId);
 
 // ----------------------------