Update CI/CD pipeline and Dockerfile for Flutter web app: rename image tags and adjust output paths

Dockerfile

@@ -35,7 +35,7 @@ WORKDIR /app
 # Clean and get packages
 RUN flutter clean
 RUN flutter pub get
-RUN flutter build web --release --output=build/tender-pwa
+RUN flutter build web --release --output=build/tm_pwa
 
 # Stage 2 - Runtime with NGINX
 FROM nginx:${NGINX}
@@ -49,7 +49,7 @@ RUN apk --no-cache add \
     && chown nginx:nginx /var/log/app
 
 # Copy build files from Debian builder
-COPY --from=builder /app/build/tender-pwa /usr/tm/nginx/html
+COPY --from=builder /app/build/tm_pwa /usr/tm/nginx/html
 
 EXPOSE 80
 CMD ["nginx", "-g", "daemon off;"]