chore: bump version to 0.2.1

Co-Authored-By: claude-flow <ruv@ruv.net>

Author: Robert E. Lee

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ctm"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 description = "Bidirectional Telegram integration for Claude Code CLI"
 license = "MIT"