NanoVNA-F V3 Starlight documentation site

Astro 5 + Starlight 0.37 docs site for the NanoVNA-F V3 portable
vector network analyzer. Content sourced from the extracted PDF user
guide and menu structure map.

- 38 MDX content pages organized in diataxis structure
  (getting-started, tutorials, how-to guides, reference)
- Steel blue/teal theme (#2d7d9a/#5bb8d4) distinct from NanoVNA-H
- 5 custom Astro components (CommandTable, MenuTree, SpecCard,
  ScreenRegion, CalibrationStep)
- 42 renamed screenshots from the user guide PDF extraction
- Docker deployment via Caddy behind caddy-docker-proxy
- Full console command reference (28 commands)
- Complete menu map with interactive tree component

Dockerfile

@@ -0,0 +1,47 @@
+# syntax=docker/dockerfile:1
+
+# Build stage - using Node.js with pnpm
+FROM node:22-alpine AS builder
+
+# Install pnpm
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
+WORKDIR /app
+
+# Copy package files
+COPY package.json pnpm-lock.yaml ./
+
+# Install dependencies with cache mount
+RUN --mount=type=cache,target=/root/.local/share/pnpm/store \
+    pnpm install --frozen-lockfile
+
+# Copy source files
+COPY . .
+
+# Disable telemetry and build
+ENV ASTRO_TELEMETRY_DISABLED=1
+RUN pnpm build
+
+# Production stage - lightweight static server
+FROM caddy:2-alpine AS production
+
+# Copy built static files
+COPY --from=builder /app/dist /srv
+
+# Simple Caddyfile for static file serving
+# Note: caddy-docker-proxy handles the external routing
+COPY <<EOF /etc/caddy/Caddyfile
+:80 {
+    root * /srv
+    file_server
+    encode gzip
+    try_files {path} {path}/ /index.html
+    header Cache-Control "public, max-age=3600"
+    @immutable path /_astro/*
+    header @immutable Cache-Control "public, max-age=31536000, immutable"
+}
+EOF
+
+EXPOSE 80
+
+CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile"]