fix(docs): add more to the readme

Author: djMax

README.md

@@ -22,6 +22,19 @@ The module takes care of configuration-driven:
 * Telemetry and instrumentation
 
 services built with this module use Typescript with Node 18, which involves transpilation.
-This module takes that into account across the development and production experience.
+This module takes that into account across the development and production experience. It does
+not currently use ESM for the most part, because between OpenTelemetry, Jest, eslint and the
+package ecosystem, that is currently a pipe dream, or at least something that requires incredibly
+precise configuration, which is not the intent.
+
+This module has the following core functionality:
+
+1. Loads multilevel environment aware configuration, merging configuration information as appropriate to yield a single hierarchical configuration store. We use [confit](https://github.com/krakenjs/confit).
+2. Engage OpenTelemetry for tracing and metrics monitoring (via Prometheus-format metrics) and wire this into JSON-based pino logging.
+3. Setup an Express@5 application with common service hosting options such as body parsing, error handling and graceful shutdown.
+4. Find and load route handlers and static content serving, if desired.
+5. Validate and load OpenAPI 3 specifications and wire up methods to path-based route handlers including support for authentication.
+6. Launch a second express app to serve health checks and metrics
+7. Setup infrastructure for interservice calls with tracing.
+8. Provide a central service runner that handles loading your service and getting to a running state in both development and production environments.
 
-This needs lots more documentation... Just a start.