docs(release-v2): release v2

CHANGELOG.md

@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
-## [1.4.0]
+## [2.0.0]
 
 ### Added
 
@@ -56,9 +56,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Upgrade Monolog to v3 ([PR171](https://github.com/5pm-HDH/churchtools-api/pull/171))
 - Upgrade required PHP version from 8.0 to 8.1 ([PR171](https://github.com/5pm-HDH/churchtools-api/pull/171))
 
-## Upgrade Guide - Upgrading from 1.3 to 1.4
+## Upgrade Guide - Upgrading from v1 to v2
 
-For version 1.4 we refactor the complete code base to provide a better overview and split the code in the diffrent churchtools parts (groups, events, calendars, bookings). To migrate your from version 1.3 to 1.4 please check out this upgrade guide:
+For version 2 we refactor the complete code base to provide a better overview and split the code in the diffrent churchtools parts (groups, events, calendars, bookings). To migrate your from version 1 to 2 please check out this upgrade guide:
 
 ### High Impact Changes:
 

README.md

@@ -10,7 +10,7 @@ The ChurchTools-API Client is a PHP-based wrapper for the ChurchTools API and ha
 version <version>3.102.0</version>.
 
 > [!NOTE]
-> Version 1.4 has been launched, featuring a restructured code base and numerous new features. If you're upgrading from version 1.3 to 1.4, please consult the [Upgrade Guide](https://github.com/5pm-HDH/churchtools-api/blob/master/CHANGELOG.md#upgrade-guide---upgrading-from-13-to-14).
+> Version 2 has been launched, featuring a restructured code base and numerous new features. If you're upgrading from version 1 to 2, please consult the [Upgrade Guide](https://github.com/5pm-HDH/churchtools-api/blob/master/CHANGELOG.md#upgrade-guide---upgrading-from-v1-to-v2).
 
 ## Installation