AETHER-2931 Update AiaB docs for gNB Sim

Change-Id: I1a3fa966542cfbd018f950822a1f4c6510ba5494
diff --git a/dict.txt b/dict.txt
index 8b1e753..409beac 100644
--- a/dict.txt
+++ b/dict.txt
@@ -25,6 +25,7 @@
 GitOps
 Github
 gNodeB
+gNBSim
 Grafana
 Haswell
 IPMI
@@ -63,6 +64,7 @@
 Terraform
 TestVectors
 Tofino
+UE
 UPF
 Velero
 VOLTHA