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

lib/dune

@@ -0,0 +1,27 @@
+(library
+ (name website_monitor)
+ (libraries
+  dream
+  lwt
+  lwt_ppx
+  caqti
+  caqti-dream
+  yojson
+  cohttp-lwt-unix
+  ocaml-ssl
+  calendar
+  ptime
+  logs
+  logs-fmt
+  fmt
+  angstrom
+  base64
+  ipaddr
+  cmdliner)
+ (modules
+  database
+  monitor
+  alert
+  api
+  ui
+  scheduler))