overhauling constants, working on translations

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

Svelte/Dockerfile

@@ -1,8 +1,11 @@
 FROM alpine:3.22
 LABEL Maintainer "Stephan Richter <s.richter@srsoftware.de>"
+ARG UID=1000
+ARG GID=1000
 RUN apk add bash npm
-RUN adduser -Dh /home/svelte svelte
+RUN set -x; addgroup -g $GID svelte
+RUN adduser -u $UID -G svelte -Dh /home/svelte svelte
 ADD script /opt
 USER svelte
 WORKDIR /home/svelte
-CMD /bin/bash
+CMD /bin/bash