feat: add initial frontend setup with styles, types, and testing framework

- Created a global CSS file for styling the frontend with responsive design.
- Introduced TypeScript types for various entities including Research, Alpha, and Account.
- Implemented Playwright tests for account management and data synchronization workflows.
- Configured TypeScript with strict settings and included necessary libraries.
- Set up Vite as the build tool with React plugin and API proxy configuration.
- Added a Python script to initialize environment variables securely.

compose.public.yaml

@@ -0,0 +1,59 @@
+# Standalone public deployment: docker compose -f compose.public.yaml up -d --build
+name: wq-alpha
+services:
+  db:
+    image: postgres:17-alpine
+    environment:
+      POSTGRES_USER: wq
+      POSTGRES_DB: wq
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?required}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: [CMD-SHELL, "pg_isready -U wq -d wq"]
+      interval: 5s
+      timeout: 5s
+      retries: 20
+    restart: unless-stopped
+  backend:
+    build:
+      context: .
+      dockerfile: Dockerfile.backend
+    environment:
+      DATABASE_URL: postgresql+asyncpg://wq:${POSTGRES_PASSWORD:?required}@db:5432/wq
+      ADMIN_USERNAME: ${ADMIN_USERNAME:-admin}
+      ADMIN_PASSWORD: ${ADMIN_PASSWORD:?required}
+      ENCRYPTION_KEY: ${ENCRYPTION_KEY:?required}
+      PUBLIC_ORIGIN: https://${DOMAIN:?Set DOMAIN to your real hostname}
+      COOKIE_SECURE: "true"
+    depends_on:
+      db:
+        condition: service_healthy
+    healthcheck:
+      test: [CMD, python, -c, "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/api/v1/health', timeout=3)"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 20s
+    restart: unless-stopped
+  web:
+    build:
+      context: .
+      dockerfile: Dockerfile.frontend
+    environment:
+      SITE_ADDRESS: ${DOMAIN:?required}
+    ports:
+      - "80:80"
+      - "443:443"
+      - "443:443/udp"
+    volumes:
+      - caddy_data:/data
+      - caddy_config:/config
+    depends_on:
+      backend:
+        condition: service_healthy
+    restart: unless-stopped
+volumes:
+  postgres_data:
+  caddy_data:
+  caddy_config: