feat(docs): update speaker installation instructions and logging details

- Enhanced the speaker installation documentation to clarify the use of TCP port 179 and the logging commands for monitoring BIRD and evobgp-agent.
- Updated the speaker form dialog to include additional information about MikroTik connections and logging commands.
- Modified the BIRD configuration to include logging to stderr for better visibility during operations.
- Adjusted the Docker Compose configuration to ensure proper network settings and sysctl configurations for BGP functionality.

internal/httpapi/routes.go

@@ -999,9 +999,12 @@ func (s *Server) handleNodeBundle(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	frags := rev.PreviewFragments
-	if overlaid, err := pipeline.OverlayFragmentsForSpeaker(s.store, a.TenantID, sid, rid, frags); err == nil {
-		frags = overlaid
+	overlaid, err := pipeline.OverlayFragmentsForSpeaker(s.store, a.TenantID, sid, rid, frags)
+	if err != nil {
+		writeInternalError(w, "bundle overlay", err)
+		return
 	}
+	frags = overlaid
 	tgz, err := bundle.BuildGzippedTar(rid, sid, frags, s.bundlePriv)
 	if err != nil {
 		writeInternalError(w, "internal", err)

internal/httpapi/speakers_test.go

@@ -149,6 +149,7 @@ func TestPostSpeaker_installCommandsAndMetaObject(t *testing.T) {
 		secret,
 		token,
 		"https://cp.example.com",
+		`"179:179/tcp"`,
 	} {
 		if !strings.Contains(cmd, want) {
 			t.Errorf("docker_commands missing %q", want)