fixed latest guide to use httproute creation in via the helm chart (#2141)

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

Author: nirrozenbaum

site-src/_includes/epp-latest.md

@@ -6,6 +6,7 @@
       --dependency-update \
       --set inferencePool.modelServers.matchLabels.app=vllm-llama3-8b-instruct \
       --set provider.name=$GATEWAY_PROVIDER \
+      --set experimentalHttpRoute.enabled=true \
       --version $IGW_CHART_VERSION \
       oci://us-central1-docker.pkg.dev/k8s-staging-images/gateway-api-inference-extension/charts/inferencepool
       ```
@@ -18,6 +19,7 @@
       --dependency-update \
       --set inferencePool.modelServers.matchLabels.app=vllm-llama3-8b-instruct \
       --set provider.name=$GATEWAY_PROVIDER \
+      --set experimentalHttpRoute.enabled=true \
       --version $IGW_CHART_VERSION \
       oci://us-central1-docker.pkg.dev/k8s-staging-images/gateway-api-inference-extension/charts/inferencepool
       ```
@@ -30,6 +32,7 @@
       --dependency-update \
       --set inferencePool.modelServers.matchLabels.app=vllm-llama3-8b-instruct \
       --set provider.name=$GATEWAY_PROVIDER \
+      --set experimentalHttpRoute.enabled=true \
       --version $IGW_CHART_VERSION \
       oci://us-central1-docker.pkg.dev/k8s-staging-images/gateway-api-inference-extension/charts/inferencepool
       ```
@@ -42,6 +45,7 @@
       --dependency-update \
       --set inferencePool.modelServers.matchLabels.app=vllm-llama3-8b-instruct \
       --set provider.name=$GATEWAY_PROVIDER \
+      --set experimentalHttpRoute.enabled=true \
       --version $IGW_CHART_VERSION \
       oci://us-central1-docker.pkg.dev/k8s-staging-images/gateway-api-inference-extension/charts/inferencepool
       ```