Improvements: Advanced features

[codcod]

Suggested Improvements

Advanced features

• Webhooks support: Trigger repos commands from GitHub webhooks
• Notifications: Slack/Discord/email notifications for completed operations
• Conflict resolution: Interactive conflict resolver when parallel operations clash
• Backup/restore: repos backup to create snapshots of all repo states
• Custom filters: Beyond tags, support filtering by criteria (e.g., language, last commit date, size)