Initial commit: Amber Valley Community Hub fallback site

Vite + React 18 + Tailwind CSS community events video library with 42
topic-matched thumbnails, auth modal that always fails, and Docker/nginx
setup on port 8081.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,22 @@
+FROM node:20-alpine AS build
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm install
+COPY . .
+RUN npm run generate-thumbnails
+RUN npm run build
+
+FROM nginx:alpine
+COPY --from=build /app/dist /usr/share/nginx/html
+# SPA fallback
+RUN echo 'server { \
+    listen 80; \
+    server_name _; \
+    root /usr/share/nginx/html; \
+    index index.html; \
+    location / { \
+        try_files $uri $uri/ /index.html; \
+    } \
+}' > /etc/nginx/conf.d/default.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]