Establish initial Go application skeleton

README.md

@@ -1,2 +1,22 @@
 # weatherreporter
 
+`weatherreporter` is a Go application for preparing human-facing weather
+reports from normalized forecast data.
+
+The repository currently contains the application skeleton and a minimal CLI
+help command. Report generation, configuration loading, weather API fetching,
+and `scriptorium` rendering are tracked in the roadmap and are not implemented
+yet.
+
+## Quickstart
+
+```sh
+weatherreporter --help
+```
+
+## Documentation
+
+- [CLI reference](docs/cli.md)
+- [Architecture policy](docs/policy/architecture.md)
+- [Development policy](docs/policy/development.md)
+- [Implementation roadmap](docs/roadmap/initial.md)