Compatibility between generate and publish (#214)

* Compatibility table added

Compatibility table, describing relations between semantics library,
generate and publish services, added.

Author: z-sztrom

wiki/markdown/index.md

@@ -15,4 +15,7 @@ For supporting latest features, Eiffel REMReM Generate should use the latest ver
 ## Components
 
 *   REMReM Generate CLI (Command Line Interface)
-*   REMReM Generate Service
+*   REMReM Generate Service
+
+## Compatibility
+Both `generate` and [`publish`](https://github.com/eiffel-community/eiffel-remrem-publish) services use [`semantics`](https://github.com/eiffel-community/eiffel-remrem-semantics) library. Their mutual compatibility is available in [Compatibility](https://github.com/eiffel-community/eiffel-remrem-publish/blob/master/wiki/markdown/index.md#components) section of publish service.