docs(configuration): Extend the minimal configuration

This adds the same example with properties and environment variables but links to the relevant page for more detail.

docs/run-instance/configuration/configuration-properties.md

@@ -42,4 +42,20 @@ ors:
                 enabled: true
 ```
 
-The two properties can be set in different ways, see [How to set Properties](how-to-set-properties.md)
+The same configuration with properties would look like this:
+
+```properties
+
+ors.engine.profile_default.build.source_file=./osm_file.pbf
+ors.engine.profiles.driving-car.enabled=true
+```
+
+And the configuration as environment variables:
+
+```bash
+ORS_ENGINE_PROFILE_DEFAULT_BUILD_SOURCE_FILE=./osm_file.pbf
+ORS_ENGINE_PROFILES_DRIVING_CAR_ENABLED=true
+```
+
+For a deeper understanding on how the `properties` and `environment variables` can be used,
+see [How to set Properties](how-to-set-properties.md)