feat: add redis cache and fanout support

server/main.go

@@ -11,6 +11,7 @@ package main
 //go:generate protoc --go_out=../pbx --go_opt=paths=source_relative --go-grpc_out=../pbx --go-grpc_opt=paths=source_relative ../pbx/model.proto
 
 import (
+	"context"
 	"encoding/json"
 	"flag"
 	"net/http"
@@ -676,6 +677,7 @@ func main() {
 	globals.sessionStore = NewSessionStore(idleSessionTimeout + 15*time.Second)
 	// The hub (the main message router)
 	globals.hub = newHub()
+	startRedisGroupFanout(context.Background())
 	stopExternalBusinessEvents := startIMExternalBusinessEventPoller()
 	defer stopExternalBusinessEvents()