Stared work on the manager side

Slicer Project/frontend/Dockerfile

@@ -0,0 +1,18 @@
+FROM node:20-slim
+
+WORKDIR /app
+# enable pnpm
+RUN corepack enable && corepack prepare pnpm@9.12.0 --activate
+
+# Copy only package.json first so Docker layer caches deps
+COPY package.json ./
+# Install without frozen lockfile (generates a lock as needed)
+RUN pnpm install --no-frozen-lockfile
+
+# Now bring in the rest of the app
+COPY vite.config.ts ./
+COPY src ./src
+
+ENV VITE_API_BASE=http://localhost:8080
+EXPOSE 5173
+CMD ["pnpm","run","dev","--","--host","0.0.0.0"]