Add manifest outputs that split v1 and experimental

Author: learner0810

Makefile

@@ -353,6 +353,8 @@ artifacts: kustomize
 	if [ -d artifacts ]; then rm -rf artifacts; fi
 	mkdir -p artifacts
 	$(KUSTOMIZE) build config/crd -o artifacts/manifests.yaml
+	$(YQ) -P 'select(.spec.versions[].name == "v1")' artifacts/manifests.yaml > artifacts/v1-manifests.yaml
+	$(YQ) -P 'select(.spec.versions[].name != "v1")' artifacts/manifests.yaml > artifacts/experimental-manifests.yaml
 	@$(call clean-manifests)
 
 .PHONY: release

site-src/guides/index.md

@@ -78,10 +78,15 @@ Tooling:
     ```
 
 ### Install the Inference Extension CRDs
-
+    
+#### All IGW CRDs of all versions
    ```bash
    kubectl apply -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/releases/latest/download/manifests.yaml
    ```
+#### All graduated & approved CRDs
+   ```bash
+   kubectl apply -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/releases/latest/download/v1-manifests.yaml
+   ```
 
 ### Deploy the InferencePool and Endpoint Picker Extension