Ln 774 Healthcheck Setup

This sets up three separate health check endpoints for Kubernetes deployments: liveness (is the app alive), readiness (can it serve traffic), and startup (is initialization done). It auto-detects your dependencies by scanning project files for PostgreSQL, Redis, MySQL, RabbitMQ, or MongoDB, then wires up the appropriate health checks for .NET or Python. The smart part is that liveness never checks dependencies, which prevents cascade restarts when your database hiccups. You get the endpoint code, Kubernetes probe configuration with sensible timeouts, and it skips everything if health checks already exist. Solid if you're tired of copy-pasting probe configs and want dependency checks that actually match what your app uses.