feat: add dynamic config reload, unique device identity (UUID), and MQTT support

- New StreamManager for dynamic RTSP/FLV stream lifecycle
- Dynamic worker scaling for inference
- Device UUID generation and persistence
- Telegraf config and NPU monitoring scripts
- .gitignore for build artifacts

go.mod

@@ -1,7 +1,15 @@
 module tianyan-edge
 
-go 1.22
+go 1.18
 
-require gopkg.in/yaml.v3 v3.0.1
+require (
+	github.com/eclipse/paho.mqtt.golang v1.4.3
+	gopkg.in/yaml.v3 v3.0.1
+)
 
-require gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+require (
+	github.com/gorilla/websocket v1.5.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+)