Slicing tutorial fix

@arora @tien-thinh.nguyen Can we agree to updated slice information for the slicing tutorial ->

* Slice1: [SST=128,SD=2] =>   NRF1, SMF1, UPF1, GNB1, UE1
* Slice2: [SST=1]        =>   NRF1, SMF2, UPF2, GNB2, UE2
* Slice3: [SST=130,SD=4] =>   NRF2, SMF3, VPP-UPF3, GNB3, UE3

docker-compose/docker-compose-slicing-ransim.yaml

@@ -16,6 +16,12 @@ services:
             - NGAP_PEER_IP=192.168.70.138
             - SST=128
             - SD=128
+            - SST_0=128
+            - SD_0=128
+            - SST_1=1
+            - SD_1=0
+            - SST_2=131
+            - SD_2=131
             - IGNORE_STREAM_IDS=true
             # UE Config Parameters
             - NUMBER_OF_UE=1
@@ -29,9 +35,9 @@ services:
             - GNB_IP_ADDRESS=192.168.70.152
             - PDU_TYPE=IPv4
             - APN=default
-            - SST_R=128
+            - SST_R=128 #Requested N-SSAI
             - SD_R=128
-            - SST_C=128
+            - SST_C=128 
             - SD_C=128
             - SST_D=128
             - SD_D=128