chore: add Docker and Nginx configuration for deployment

Dockerfile

@@ -0,0 +1,21 @@
+FROM node:22.12-alpine AS build
+
+WORKDIR /app
+
+RUN npm install -g pnpm@10.33.0
+
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+COPY . .
+RUN pnpm run build
+
+FROM nginx:alpine
+
+COPY --from=build /app/dist/task-challenge/browser /usr/share/nginx/html
+
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]

nginx.conf

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+server {
+    listen 80;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    location /api {
+        proxy_pass https://api.emi.challenge.berand97.dev;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_ssl_server_name on;
+    }
+}