Improve script/run error handling and return code consistency (#186)

docker-compose.dev.yml

@@ -48,6 +48,7 @@ services:
       # Mount source code for development
       - ./linux_voice_assistant:/app/linux_voice_assistant
       - ./docker-entrypoint.sh:/app/docker-entrypoint.sh
+      - ./script:/app/script
       - ./version.txt:/app/version.txt
       - ./version_githash.txt:/app/version_githash.txt
     depends_on: