fix: implement realtime event subscription for data changes

[Jipperism]

• Added subscribeToRealtimeEvents function to handle subscriptions for various database changes.
• Integrated logging for successful subscriptions and error handling.
• Updated index.ts to invoke realtime event subscription on server start.

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🟢	Lines	58.2% (🎯 58%)	110 / 189
🟢	Statements	58.2% (🎯 58%)	110 / 189
🟢	Functions	25.53% (🎯 25%)	12 / 47
🟢	Branches	38.98% (🎯 38%)	23 / 59

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
src/index.ts	0%	0%	0%	0%	1-2
src/client/supabase.ts	0%	0%	0%	0%	1

Generated in workflow #136 for commit 8906387 by the Vitest Coverage Report Action