run dos2unix to repair crlf to lf

launch.sh

@@ -1,5 +1,5 @@
-#!/bin/sh
-python modeldownload.py
-uvicorn tts_server:app --host 0.0.0.0 --port 7851 --workers 1 --proxy-headers &
-sleep 5
+#!/bin/sh
+python modeldownload.py
+uvicorn tts_server:app --host 0.0.0.0 --port 7851 --workers 1 --proxy-headers &
+sleep 5
 python script.py