Update README.MD

SpeedTest/README.MD

@@ -6,3 +6,10 @@ CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags '-w -s' -trimpath -o ./b
 CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags '-w -s' -trimpath -o ./build/linux_arm64/speedtest main.go
 
 ```
+
+# Run
+```
+# chmod u+x ./speedtest && ./speedtest
+# http://IP:8888
+
+```