New envirnonment variable in webui pod to tell if its running for 4G or 5G

Change-Id: Ia4f4ae858e0527c9023cd15513e3ec4425a51783
diff --git a/omec/5g-control-plane/Chart.yaml b/omec/5g-control-plane/Chart.yaml
index d98af9d..ca07038 100644
--- a/omec/5g-control-plane/Chart.yaml
+++ b/omec/5g-control-plane/Chart.yaml
@@ -8,7 +8,7 @@
 name: 5g-control-plane
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 0.2.17
+version: 0.2.18
 
 dependencies:
   - name: mongodb