Improved doc

Author: pcrespov

services/api-server/README.md

@@ -1,7 +1,6 @@
 # api-server
 
 [![image-size]](https://microbadger.com/images/itisfoundation/api-server. "More on itisfoundation/api-server.:staging-latest image")
-
 [![image-badge]](https://microbadger.com/images/itisfoundation/api-server "More on Public API Server image in registry")
 [![image-version]](https://microbadger.com/images/itisfoundation/api-server "More on Public API Server image in registry")
 [![image-commit]](https://microbadger.com/images/itisfoundation/api-server "More on Public API Server image in registry")
@@ -25,11 +24,12 @@ source .venv/bin/activate
 cd services/api-service
 make install-dev
 ```
-To run a dev server just
+Then
 ```cmd
 make run-devel
 ```
-and the following sites are available
+
+will start the api-server in development-mode together with a postgres db initialized with test data. Open the following sites and use the test credentials ``user=key, password=secret`` to manually test the API:
 
 - http://127.0.0.1:8000/docs: redoc documentation
 - http://127.0.0.1:8000/dev/docs: swagger type of documentation