docs: docs website + installation (#778)

* feat: WIP doc (vibe started and iterated)

* install from scratch docs

* caddyfile.example

* gitignore

* authentik script

* authentik script

* authentik script

* llm doc

* authentik ongoing

* more daily setup logs

* doc website

* gpu self hosted setup guide (no-mistakes)

* doc review round

* doc review round

* doc review round

* update doc site sidebars

* feat(docs): add mermaid diagram support

* docs polishing

* live pipeline doc

* move pipeline dev docs to dev docs location

* doc pr review iteration

* dockerfile healthcheck

* docs/pr-comments

* remove jwt comment

* llm suggestion

* pr comments

* pr comments

* document auto migrations

* cleanup docs

---------

Co-authored-by: Mathieu Virbel <mat@meltingrocks.com>
Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

docs/Dockerfile

@@ -0,0 +1,39 @@
+FROM node:18-alpine AS builder
+WORKDIR /app
+
+# Install curl for fetching OpenAPI spec
+RUN apk add --no-cache curl
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci
+
+# Copy source
+COPY . .
+
+# Fetch OpenAPI spec from production API
+ARG OPENAPI_URL=https://api-reflector.monadical.com/openapi.json
+RUN mkdir -p ./static && curl -sf "${OPENAPI_URL}" -o ./static/openapi.json || echo '{}' > ./static/openapi.json
+
+# Fix docusaurus config: change onBrokenLinks to 'warn' for Docker build
+RUN sed -i "s/onBrokenLinks: 'throw'/onBrokenLinks: 'warn'/g" docusaurus.config.ts
+
+# Build static site (skip prebuild hook by calling docusaurus directly)
+RUN npx docusaurus build
+
+# Production image
+FROM nginx:alpine
+
+# Copy built static files
+COPY --from=builder /app/build /usr/share/nginx/html
+
+# Healthcheck for container orchestration
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost/ || exit 1
+
+# Expose port
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]