Add changelog for initial release of TelegramUrlParser

Documented the initial release and features of TelegramUrlParser.

Author: WizardLoop

CHANGELOG.md

@@ -0,0 +1,22 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+---
+
+## [1.0.0]
+### Added
+- Initial stable release of **TelegramUrlParser**
+- Validate Telegram URLs
+- Parse any `t.me` link format
+- Extract chat type, username, chat ID, message ID
+- Support for:
+  - Public channels & groups
+  - Private channels & groups (`/c/...`)
+  - Bot messages (`/b/...`)
+  - User messages (`/u/...`)
+  - Topic-based groups
+- Clean, static API
+- Zero dependencies
+
+---