chore(logs): added more debug logs and reformated those files using gofmt (#490)

internal/app/api/core/server.go

@@ -100,6 +100,7 @@ func (s *Server) Run(ctx context.Context, listenAddress string) {
 	srvContext, cancelFn := context.WithCancel(ctx)
 	go func() {
 		var err error
+		slog.Debug("starting server", "certFile", s.cfg.Web.CertFile, "keyFile", s.cfg.Web.KeyFile)
 		if s.cfg.Web.CertFile != "" && s.cfg.Web.KeyFile != "" {
 			err = srv.ListenAndServeTLS(s.cfg.Web.CertFile, s.cfg.Web.KeyFile)
 		} else {

internal/app/wireguard/statistics.go

@@ -197,6 +197,7 @@ func (c *StatisticsCollector) collectPeerData(ctx context.Context) {
 							p.CalcConnected()
 
 							if wasConnected != p.IsConnected {
+								slog.Debug("peer connection state changed", "peer", peer.Identifier, "connected", p.IsConnected)
 								connectionStateChanged = true
 								newPeerStatus = *p // store new status for event publishing
 							}