Add lua log watcher script and update Dockerfile to include lua dependencies

Dockerfile

@@ -4,7 +4,7 @@ FROM alpine:3.20
 # Install minimal tooling
 RUN apk add --no-cache \
 	--repository=https://dl-cdn.alpinelinux.org/alpine/edge/testing wol \
-	&& apk add --no-cache bash curl ca-certificates docker-cli
+	&& apk add --no-cache bash curl ca-certificates docker-cli lua5.4 lua5.4-socket
 
 # Copy script
 WORKDIR /app