Add Egyptian escape room digital lock web app.

React/Vite lock UI with color-coded inputs, celebration SFX, and unlock video; Docker/nginx packaging and homelab deploy scripts documented in AGENTS.md.

Dockerfile

@@ -0,0 +1,14 @@
+# syntax=docker/dockerfile:1
+
+FROM node:20-alpine AS builder
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN --mount=type=cache,target=/root/.npm npm ci
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine AS runner
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=builder /app/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]