about.md: Add supported eiffel editions

Solves: Jira GER-2365
Change-Id: I24587a2bf4d67875098aea910736a2e1be2795e5

src/main/resources/Documentation/about.md

diff --git a/src/main/resources/Documentation/about.md b/src/main/resources/Documentation/about.md
index 2410204..0372ad0 100644
--- a/src/main/resources/Documentation/about.md
+++ b/src/main/resources/Documentation/about.md
@@ -1,5 +1,8 @@
 Creates [Eiffel](https://github.com/eiffel-community/eiffel)
 Source Code Events based on gerrit-change, branch and tag updates.
 
-Currently only supports Eiffel
-[edition-paris](https://github.com/eiffel-community/eiffel/tree/edition-paris).
+Currently supports Eiffel versions:
+* [edition-paris](https://github.com/eiffel-community/eiffel/releases/tag/edition-paris).
+* [edition-lyon](https://github.com/eiffel-community/eiffel/releases/tag/edition-lyon).
+* [edition-arica](https://github.com/eiffel-community/eiffel/releases/tag/edition-arica)
+* [edition-orizaba](https://github.com/eiffel-community/eiffel/releases/tag/edition-orizaba)