add links to relevatn topics to landing page

Author: mseeber

index.md

@@ -6,8 +6,8 @@ menu_item: true
 Have you ever wanted to take the audio output of one piece of software
 and send it to another? How about taking the output of that same program
 and send it to two others, then record the result in the first program?
-Or maybe you're a programmer who writes real-time audio and music
-applications and who is looking for a cross-platform API that enables
-not only device sharing but also inter-application audio routing, and is
-incredibly easy to learn and use? If so, JACK may be what you've been
-looking for.
+Or maybe you're a [programmer](/developers) who writes real-time audio
+and music [applications](/applications) and who is looking for a
+cross-platform API that enables not only device sharing but also
+inter-application audio routing, and is incredibly easy to learn and
+use? If so, JACK may be what you've been looking for.