feat: setup React/Vite frontend with Tyndale AI chat interface

Initialize complete frontend project structure with the following components:

- React 18 + Vite development environment with TypeScript
- Tailwind CSS for styling with custom animations
- Radix UI components for accessible UI primitives
- React Router for navigation between landing and chat pages
- TanStack Query for efficient API data management

Key features implemented:
- Landing page with hero, features, and footer sections
- Real-time chat interface with message history
- Study/Trading mode toggle for different interaction types
- Custom hooks for chat state management
- API integration layer with backend service
- Responsive design with scroll areas and card layouts

Docker deployment configuration:
- Multi-stage Dockerfile with Node.js build and Nginx production
- Custom nginx configuration for SPA routing on port 3000
- Optimized production build process

Development tools:
- ESLint for code quality
- TypeScript for type safety
- PostCSS with Autoprefixer
- Environment variable configuration with .env.example

Dockerfile

@@ -0,0 +1,31 @@
+# ---------- Build stage ----------
+FROM node:20-alpine AS build
+
+WORKDIR /app
+
+# Install dependencies
+COPY package.json package-lock.json ./
+RUN npm ci
+
+# Copy source
+COPY . .
+
+# Build React app
+RUN npm run build
+
+
+# ---------- Production stage ----------
+FROM nginx:alpine
+
+# Remove default nginx config
+RUN rm /etc/nginx/conf.d/default.conf
+
+# Copy custom nginx config
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Copy build output
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 3000
+
+CMD ["nginx", "-g", "daemon off;"]