Merge pull request #2 from paleopollen/release/v1.0.0

Release v1.0.0

Author: sandeep-ps

CHANGELOG.md

@@ -5,12 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.0.0] - 2025-04-26
 
 ### Added
 
 - Basic features of the Post Processing CLI.[#77](https://github.com/paleopollen/palyim-issues/issues/77)
 - This CHANGELOG file.
 - LICENSE file.
 - Copyright notice.
-- CITATION.cff file.
+- CITATION.cff file.
+
+[1.0.0]: https://github.com/paleopollen/post-processing-cli/releases/tag/v1.0.0