feat: add logrotate support with SIGHUP signal handling

- Add Reopenable interface in api/types.go for log rotation support
- Add FileWriter.Reopen() method to reopen log files after rotation
- Add MultiWriter.Reopen() method to propagate rotation to all writers
- Update main.go to handle SIGHUP signal for systemctl reload
- Add logrotate configuration file (packaging/logrotate/ja4sentinel)
- Update systemd service with ExecReload for graceful rotation
- Update architecture.yml with logrotate documentation
- Update RPM spec and Dockerfile.package to include logrotate files
- Bump version to 1.1.0

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

packaging/logrotate/ja4sentinel

@@ -0,0 +1,17 @@
+# Logrotate configuration for ja4sentinel
+# Install to: /etc/logrotate.d/ja4sentinel
+
+/var/log/ja4sentinel/*.log {
+    daily
+    missingok
+    rotate 7
+    compress
+    delaycompress
+    notifempty
+    create 0600 root root
+    sharedscripts
+    postrotate
+        # Send SIGHUP to ja4sentinel to reopen log files
+        /bin/systemctl reload ja4sentinel 2>/dev/null || true
+    endscript
+}