feat: improve page readability, add thumbnail switcher, CI/CD config

- Improve spacing and typography on product intro and scenarios pages
- Add thumbnail click switching for architecture hardware showcase
- Fix thumbnail click target and z-index overlap issues
- Add .woodpecker.yml, Dockerfile, and docker-compose.yml for CI/CD
- Set Vite base path to /lnbox/ for sub-path deployment

Dockerfile

@@ -0,0 +1,30 @@
+FROM node:22-alpine as builder
+
+WORKDIR /usr/src/app
+
+COPY . .
+
+RUN npm install pnpm -g
+
+RUN pnpm install
+
+RUN pnpm build
+
+FROM nginx:1.26
+
+COPY --from=0 /usr/src/app/dist /usr/share/nginx/html/lnbox
+
+RUN echo "server {\
+    listen 80;\
+    server_name localhost;\
+    location / {\
+        return 301 /lnbox/;\
+    }\
+    location /lnbox {\
+        alias /usr/share/nginx/html/lnbox;\
+        index index.html index.htm;\
+        try_files \$uri \$uri/ /lnbox/index.html;\
+    }\
+}" > /etc/nginx/conf.d/default.conf
+
+EXPOSE 80