Add how to login to Stratum and ONOS CLIs

- Fix heading hierarchy to match other documents in TOST docs

Change-Id: I16403d7d9e38828c80f0fbcd88f8cbb695d92f3e
diff --git a/dict.txt b/dict.txt
index cc56b04..8403871 100644
--- a/dict.txt
+++ b/dict.txt
@@ -43,6 +43,7 @@
 gerrit
 iPXE
 jjb
+kubectl
 linecard
 macroENB
 mainboard