Add Django backend, Next.js frontend, and deploy templates

frontend/Dockerfile

@@ -0,0 +1,11 @@
+FROM node:22-bookworm-slim
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm install
+
+COPY . .
+
+CMD ["npm", "run", "dev", "--", "--hostname", "0.0.0.0"]
+