Backport of docs: K8s docs cleanup into release/1.17.x (#20827)

* backport of commit b7a11e9943

* backport of commit 39b4b743e0

---------

Co-authored-by: David Yu <dyu@hashicorp.com>

website/content/docs/connect/gateways/api-gateway/install-k8s.mdx

@@ -70,9 +70,17 @@ The Consul API gateway ships with Consul and is automatically installed when you
          manageNonStandardCRDs: true
        cni:
          enabled: true
-         logLevel: info
+         logLevel: debug
          cniBinDir: "/home/kubernetes/bin"
          cniNetDir: "/etc/cni/net.d"
+     server:
+       resources:
+         requests:
+           memory: "500Mi"
+           cpu: "500m"
+         limits:
+           memory: "500Mi"
+           cpu: "500m"
      ```
     </CodeBlockConfig>
     </Tab>

website/content/docs/k8s/installation/install.mdx

@@ -104,7 +104,7 @@ NAME: consul
 ...
 ```
 
-### Install Consul on OpenShift clusters
+### Install Consul on Red Hat OpenShift
 
 [Red Hat OpenShift](https://www.redhat.com/en/technologies/cloud-computing/openshift) is a security-conscious, opinionated wrapper for Kubernetes. To install Consul on OpenShift-managed Kubernetes, set `global.openshift.enabled=true` in your [custom installation](#custom-installation) values file: