Mention users

[szuperaz]

• Implement it in an opt-in manner
• Autocompletion should be triggered by '@' character
• Local search in channel participants
• Template for autocomplete list item should be customizable

#127, #126

• Expose listItem template for customization
• Expose input to turn off mentions
• Implement autocomplete for channel members (key: name, fallback for id)
• Mentioned users should be added to the mentioned_users array
• Hightlight mentioned users in the message
• Update docs (write about opt-in architecture) and tutorial

[szuperaz]

🎉 This issue has been resolved in version 2.0.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀