v2.5.0 — VPN Detection Fix & AbuseIPDB Rate Limit Persistence

What's New

VPN Interface Detection Enhancements (fixes #41)

• OpenVPN client prefix separation — dedicated prefix prevents collision with OpenVPN server () interfaces
• Settings reactivity fix — saving VPN labels now immediately updates the Network column in the log stream without requiring a page refresh
• Unlabelled section now correctly clears after configuring a discovered VPN interface
• Generic fallback for IPsec and L2TP VPN types that previously got interface names
• Eliminated redundant network request on VPN save

AbuseIPDB Rate Limit Persistence (fixes #43)

• Rate limit state now persists across container restarts — remaining quota, reset time, and pause state are saved to the database and restored on startup
• Health endpoint () now exposes AbuseIPDB rate limit status for monitoring
• Simplified rate limit check logic in the health route