feat: integrate Tailwind CSS for improved styling and layout

- Added Tailwind CSS and its Vite plugin to the frontend project.
- Updated App.svelte to enhance UI with Tailwind classes, including a new layout for the serial monitor and command tester.
- Improved logging functionality by increasing log history and adding more detailed log messages.
- Refactored SendBox.svelte for consistent styling with Tailwind.
- Enhanced Pico firmware to support structured event logging and command parsing.
- Updated README_PICO_SERIAL.md to provide comprehensive documentation on serial communication and backend integration.
- Added .dockerignore to optimize Docker builds by excluding unnecessary files.

frontend/docker-compose.yml

@@ -1,8 +1,19 @@
 services:
-  frontend:
-    build: .
+  app:
+    build:
+      context: ..
+      dockerfile: frontend/Dockerfile
+    container_name: schafkop-app
     restart: unless-stopped
     environment:
       - NODE_ENV=production
+      - PORT=3000
+      # Optionally set SERIAL_PORT or PICO_SERIAL_PORT for auto-open
+      # - SERIAL_PORT=/dev/serial0
+      # - SERIAL_BAUD=115200
     ports:
-      - "80:80"
+      - "80:3000"
+    # Uncomment and adjust one of the following for hardware access on a Pi:
+    # devices:
+    #   - /dev/serial0:/dev/serial0
+    #   - /dev/ttyACM0:/dev/ttyACM0