feat: full recode a home page and add docker file, start write a cd pipline

frontend/Dockerfile

@@ -0,0 +1,15 @@
+FROM node:25-alpine3.23 AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+FROM nginx:alpine
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]