Doc: Add link to GoER API in config.md

Solves: Jira GER-2365
Change-Id: I3f502af739d890bc1f45d33025acadf9ab128e69

src/main/resources/Documentation/config.md

diff --git a/src/main/resources/Documentation/config.md b/src/main/resources/Documentation/config.md
index e68d8ba..a9e1166 100644
--- a/src/main/resources/Documentation/config.md
+++ b/src/main/resources/Documentation/config.md
@@ -83,8 +83,9 @@
 
 ## Section "EiffelRepoClient" ##
 
-Configuration for connecting to the
-[Eiffel GraphQL API](https://github.com/eiffel-community/eiffel-graphql-api).
+Configuration for connecting to Eiffel repository APIs:
+* [Eiffel GraphQL API](https://github.com/eiffel-community/eiffel-graphql-api).
+* [Eiffel GoER](https://github.com/eiffel-community/eiffel-goer)
 
 ### Settings ###