Add index mapping for it/* repos

Change-Id: I37f9014cfd00a4a90ef65bac74d3b05eb0d0aefd
Signed-off-by: wrider <lji@research.att.com>
diff --git a/docs/conf.py b/docs/conf.py
index c639b90..7903640 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -11,3 +11,8 @@
 intersphinx_mapping['ric-app-mc'] = ('https://docs.o-ran-sc.org/projects/o-ran-sc-ric-app-mc/en/%s' % branch, None)
 
 intersphinx_mapping['portal-ric-dashboard'] = ('https://docs.o-ran-sc.org/projects/o-ran-sc-portal-ric-dashboard/en/%s' % branch, None)
+
+intersphinx_mapping['it-dep'] = ('https://docs.o-ran-sc.org/projects/o-ran-sc-it-dep/en/%s' % branch, None)
+intersphinx_mapping['it-dev'] = ('https://docs.o-ran-sc.org/projects/o-ran-sc-it-dev/en/%s' % branch, None)
+intersphinx_mapping['it-test'] = ('https://docs.o-ran-sc.org/projects/o-ran-sc-it-test/en/%s' % branch, None)
+intersphinx_mapping['it-otf'] = ('https://docs.o-ran-sc.org/projects/o-ran-sc-it-otf/en/%s' % branch, None)
\ No newline at end of file