Update setup.sh

setup.sh

@@ -1,3 +1,9 @@
+
 #!/bin/bash
-unzip /home/user/app/xtts_v2.zip -d /home/user/app/tts_models--multilingual--multi-dataset--xtts_v2
-ls /home/user/app/tts_models--multilingual--multi-dataset--xtts_v2/ > /home/user/app/files.txt
+ls /home/user/app/ > /home/user/app/contents.txt
+if [ -f /home/user/app/xtts_v2.zip ]; then
+    unzip /home/user/app/xtts_v2.zip -d /home/user/app/tts_models--multilingual--multi-dataset--xtts_v2
+    ls /home/user/app/tts_models--multilingual--multi-dataset--xtts_v2/ > /home/user/app/files.txt
+else
+    echo "xtts_v2.zip not found" > /home/user/app/error.txt
+fi