Update CHANGELOG

Author: CodeWithKyrian

CHANGELOG.md

@@ -1,3 +1,13 @@
 # Changelog
 
 All notable changes to `jinja-php` will be documented in this file.
+
+## v1.0.0 - 2024-03-19
+
+### Initial Release
+
+- Jinja Syntax Support - It supports most of the Jinja Syntax
+- ML Chat Templates Ready - It has been tested against most of the Chat Templates on HuggingFace
+- General Templating: It is versatile enough to be used for regular templating tasks.
+
+**Full Changelog**: https://github.com/CodeWithKyrian/jinja-php/commits/1.0.0