Validate examples and clean up roadmap

docs/config.md

@@ -22,6 +22,8 @@ files. Environment-variable configuration is not implemented.
 
 ## Minimal Config
 
+See [examples/minimal-config.yml](../examples/minimal-config.yml).
+
 ```yaml
 weather_api:
   base_url: https://weather.api.example.com/
@@ -102,3 +104,12 @@ snapshot exists and a threshold is crossed.
 
 Configuration files should not contain secrets. The current Weather API and
 Scriptorium integration settings do not require secret fields.
+
+## Maintained Examples
+
+- [examples/minimal-config.yml](../examples/minimal-config.yml): smallest
+  useful config for generation and fetching.
+- [examples/config.yml](../examples/config.yml): production-oriented config
+  covering implemented fields.
+
+Both example files are loaded by the config test suite.