chore: update docs (#2526)

* Add note about adding label to ns

Signed-off-by: Shawn Warren <shawn.w.warren@gmail.com>

* chore: update website docs

Signed-off-by: Shawn Warren <shawn.w.warren@gmail.com>

* chore: add exempt label note

Signed-off-by: Shawn Warren <shawn.w.warren@gmail.com>

* fix: add params link

Signed-off-by: Shawn Warren <shawn.w.warren@gmail.com>

* fix: remove empty line

Signed-off-by: Shawn Warren <shawn.w.warren@gmail.com>

Signed-off-by: Shawn Warren <shawn.w.warren@gmail.com>
Co-authored-by: Rita Zhang <rita.z.zhang@gmail.com>

website/docs/exempt-namespaces.md

@@ -60,6 +60,8 @@ If it becomes necessary to exempt a namespace from Gatekeeper webhook entirely (
       in that namespace from policy checks. This way a user must explicitly have permissions
       to configure the Gatekeeper pod before they can add exemptions.
 
+      > In order to add the `admission.gatekeeper.sh/ignore` label to a namespace, that namespace must be listed under the gatekeeper `controllerManager.exemptNamespaces` [parameter](https://github.com/open-policy-agent/gatekeeper/blob/master/charts/gatekeeper/README.md#parameters) when installing via Helm.
+
    3. Add the `admission.gatekeeper.sh/ignore` label to the namespace. The value attached
       to the label is ignored, so it can be used to annotate the reason for the exemption.
 

website/versioned_docs/version-v3.10.x/exempt-namespaces.md

@@ -60,6 +60,8 @@ If it becomes necessary to exempt a namespace from Gatekeeper webhook entirely (
       in that namespace from policy checks. This way a user must explicitly have permissions
       to configure the Gatekeeper pod before they can add exemptions.
 
+      > In order to add the `admission.gatekeeper.sh/ignore` label to a namespace, that namespace must be listed under the gatekeeper `controllerManager.exemptNamespaces` [parameter](https://github.com/open-policy-agent/gatekeeper/blob/master/charts/gatekeeper/README.md#parameters) when installing via Helm.
+
    3. Add the `admission.gatekeeper.sh/ignore` label to the namespace. The value attached
       to the label is ignored, so it can be used to annotate the reason for the exemption.
 

website/versioned_docs/version-v3.11.x/exempt-namespaces.md

@@ -60,6 +60,8 @@ If it becomes necessary to exempt a namespace from Gatekeeper webhook entirely (
       in that namespace from policy checks. This way a user must explicitly have permissions
       to configure the Gatekeeper pod before they can add exemptions.
 
+      > In order to add the `admission.gatekeeper.sh/ignore` label to a namespace, that namespace must be listed under the gatekeeper `controllerManager.exemptNamespaces` [parameter](https://github.com/open-policy-agent/gatekeeper/blob/master/charts/gatekeeper/README.md#parameters) when installing via Helm.
+
    3. Add the `admission.gatekeeper.sh/ignore` label to the namespace. The value attached
       to the label is ignored, so it can be used to annotate the reason for the exemption.
 

website/versioned_docs/version-v3.6.x/exempt-namespaces.md

@@ -60,6 +60,8 @@ If it becomes necessary to exempt a namespace from Gatekeeper webhook entirely (
       in that namespace from policy checks. This way a user must explicitly have permissions
       to configure the Gatekeeper pod before they can add exemptions.
 
+      > In order to add the `admission.gatekeeper.sh/ignore` label to a namespace, that namespace must be listed under the gatekeeper `controllerManager.exemptNamespaces` [parameter](https://github.com/open-policy-agent/gatekeeper/blob/master/charts/gatekeeper/README.md#parameters) when installing via Helm.
+
    3. Add the `admission.gatekeeper.sh/ignore` label to the namespace. The value attached
       to the label is ignored, so it can be used to annotate the reason for the exemption.
 

website/versioned_docs/version-v3.7.x/exempt-namespaces.md

@@ -60,6 +60,8 @@ If it becomes necessary to exempt a namespace from Gatekeeper webhook entirely (
       in that namespace from policy checks. This way a user must explicitly have permissions
       to configure the Gatekeeper pod before they can add exemptions.
 
+      > In order to add the `admission.gatekeeper.sh/ignore` label to a namespace, that namespace must be listed under the gatekeeper `controllerManager.exemptNamespaces` [parameter](https://github.com/open-policy-agent/gatekeeper/blob/master/charts/gatekeeper/README.md#parameters) when installing via Helm.
+
    3. Add the `admission.gatekeeper.sh/ignore` label to the namespace. The value attached
       to the label is ignored, so it can be used to annotate the reason for the exemption.
 

website/versioned_docs/version-v3.8.x/exempt-namespaces.md

@@ -60,6 +60,8 @@ If it becomes necessary to exempt a namespace from Gatekeeper webhook entirely (
       in that namespace from policy checks. This way a user must explicitly have permissions
       to configure the Gatekeeper pod before they can add exemptions.
 
+      > In order to add the `admission.gatekeeper.sh/ignore` label to a namespace, that namespace must be listed under the gatekeeper `controllerManager.exemptNamespaces` [parameter](https://github.com/open-policy-agent/gatekeeper/blob/master/charts/gatekeeper/README.md#parameters) when installing via Helm.
+
    3. Add the `admission.gatekeeper.sh/ignore` label to the namespace. The value attached
       to the label is ignored, so it can be used to annotate the reason for the exemption.
 

website/versioned_docs/version-v3.9.x/exempt-namespaces.md

@@ -60,6 +60,8 @@ If it becomes necessary to exempt a namespace from Gatekeeper webhook entirely (
       in that namespace from policy checks. This way a user must explicitly have permissions
       to configure the Gatekeeper pod before they can add exemptions.
 
+       > In order to add the `admission.gatekeeper.sh/ignore` label to a namespace, that namespace must be listed under the gatekeeper `controllerManager.exemptNamespaces` [parameter](https://github.com/open-policy-agent/gatekeeper/blob/master/charts/gatekeeper/README.md#parameters) when installing via Helm.
+
    3. Add the `admission.gatekeeper.sh/ignore` label to the namespace. The value attached
       to the label is ignored, so it can be used to annotate the reason for the exemption.