Adding versioning to table of contents

diff --git a/GitRepoExample.toc b/GitRepoExample.toc
index 273ea48..21e5cf9 100644
--- a/GitRepoExample.toc
+++ b/GitRepoExample.toc
@@ -1,4 +1,5 @@
 ## Interface: 40000
 ## Title: GitRepoExample
+## Version: @project-version@

 GitRepoExample.lua