Create placeholders for documenting release by repository

Change-Id: I0e4af607de9e6aac3424676f344714e0d9e6fde8
diff --git a/howto/release/checklist.rst b/howto/release/checklist.rst
index 4c9c265..474a5b5 100644
--- a/howto/release/checklist.rst
+++ b/howto/release/checklist.rst
@@ -172,3 +172,6 @@
 Release voltha-protos & friends in order
 ----------------------------------------
 https://docs.voltha.org/master/overview/release_process.html?highlight=charts%20yaml
+
+EOF
+---