feat: initial commit - complete website monitoring application

Build a comprehensive website monitoring application with ReasonML, OCaml, and server-reason-react.

Features:
- Real-time website monitoring with HTTP status checks
- Email and webhook alerting system
- Beautiful admin dashboard with Tailwind CSS
- Complete REST API for CRUD operations
- Background monitoring scheduler
- Multi-container Docker setup with 1-core CPU constraint
- PostgreSQL database with Caqti
- Full documentation and setup guides

Tech Stack:
- OCaml 5.0+ with ReasonML
- Dream web framework
- server-reason-react for UI
- PostgreSQL 16 database
- Docker & Docker Compose

Files:
- 9 OCaml source files (1961 LOC)
- 6 documentation files (1603 LOC)
- Complete Docker configuration
- Comprehensive API documentation

💘 Generated with Crush

Dockerfile

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+# Base stage
+FROM ocaml/opam:debian-12-ocaml-5.2 as base
+WORKDIR /home/opam/website_monitor
+
+# Install system dependencies
+RUN sudo apt-get update && sudo apt-get install -y \
+    pkg-config \
+    libssl-dev \
+    ca-certificates \
+    m4 \
+    postgresql-client \
+    && sudo rm -rf /var/lib/apt/lists/*
+
+# Copy project files
+COPY --chown=opam:opam dune-project ./
+COPY --chown=opam:opam website_monitor.opam ./
+
+# Install dependencies
+RUN opam install . --deps-only --with-test
+
+# Build stage (CPU constrained)
+FROM base as build
+ENV OPAMJOBS=1
+ENV OCAMLPARAM=_,_threadsafe
+
+# Copy source code
+COPY --chown=opam:opam . .
+
+# Build with CPU constraint
+RUN opam exec -- dune build --root . --profile release
+
+# Runtime stage
+FROM debian:12-slim as runtime
+WORKDIR /app
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y \
+    libssl3 \
+    ca-certificates \
+    tzdata \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy binaries from build stage
+COPY --from=build /home/opam/website_monitor/_build/default/bin/main.exe /app/website_monitor
+COPY --from=build /home/opam/website_monitor/_build/default/bin/init_db.exe /app/website_monitor_init_db
+
+# Copy entrypoint script
+COPY --chown=monitor:monitor docker-entrypoint.sh /app/docker-entrypoint.sh
+RUN chmod +x /app/docker-entrypoint.sh
+
+# Create non-root user
+RUN useradd -m -u 1000 monitor && chown -R monitor:monitor /app
+USER monitor
+
+# Expose port
+EXPOSE 8080
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
+
+# Run application
+ENTRYPOINT ["/app/docker-entrypoint.sh"]
+CMD []