v0.12.0 codes for FCM and rebranded jama to RosterChirp

Dockerfile

@@ -12,12 +12,12 @@ FROM node:20-alpine
 ARG VERSION=dev
 ARG BUILD_DATE=unknown
 
-LABEL org.opencontainers.image.title="jama" \
+LABEL org.opencontainers.image.title="rosterchirp" \
       org.opencontainers.image.description="Self-hosted team chat PWA" \
       org.opencontainers.image.version="${VERSION}" \
       org.opencontainers.image.created="${BUILD_DATE}"
 
-ENV JAMA_VERSION=${VERSION}
+ENV ROSTERCHIRP_VERSION=${VERSION}
 
 # No native build tools needed — pg uses pure JS by default
 WORKDIR /app