v0.2.0

Changelog

• b19d1a0 chore: Release xteams version 0.2.0
• d8ffafb chore: Update package metadata
• c6c0521 Add cargo release
• 662f9c5 feat(message): add markdown and content-format conversion
• d4ba6f7 docs: warning style
• 143ab6e docs: fix outdated commands in usage
• 65f23a0 docs: fix alignment issues in readme command list