Move debugging info into tech section

Change-Id: I0c848fdea00f6c354e79ca29f3b71d9fa52ed326
diff --git a/src/tech/sidebar.md b/src/tech/sidebar.md
index b770eb8..75a4379 100644
--- a/src/tech/sidebar.md
+++ b/src/tech/sidebar.md
@@ -1,3 +1,4 @@
 # Topics #
 - [Dalvik](/tech/dalvik/index.html)
+- [Debugging](/tech/debugging/index.html)
 - [Encryption](/tech/encryption/index.html)