fix broken links in v0 docs (#6976)

Signed-off-by: rahulshendre <rahulshendre789@gmail.com>

Author: rahulshendre

docs/content/en/docs-dev/feature-status/_index.md

@@ -135,7 +135,7 @@ Note: These are statuses for Cloud Run service. Cloud Run job has not been suppo
 | Support [Minio](https://github.com/minio/minio) as file store | Beta |
 | [Insights](../user-guide/insights/) - Show the delivery performance of a team or an application | Beta |
 | [Deployment Chain](../user-guide/managing-application/deployment-chain/) - Allow rolling out to multiple clusters gradually or promoting across environments | Alpha |
-| [Metrics](../user-guide/managing-controlplane/metrics/) - Dashboards for PipeCD and Piped metrics | Beta |
+| [Metrics](../user-guide/metrics/) - Dashboards for PipeCD and Piped metrics | Beta |
 
 ## Pipectl
 

docs/content/en/docs-dev/user-guide/managing-piped/configuration-reference.md

@@ -97,7 +97,7 @@ Must be one of the following structs:
 | Field | Type | Description | Required |
 |-|-|-|-|
 | masterURL | string | The master URL of the kubernetes cluster. Empty means in-cluster. | No |
-| kubectlVersion | string | Version of kubectl which will be used to connect to your cluster. Empty means the version set on [piped config](../user-guide/managing-piped/configuration-reference/#platformproviderkubernetesconfig) or [default version](https://github.com/pipe-cd/pipecd/blob/master/tool/piped-base/install-kubectl.sh#L24) will be used. | No |
+| kubectlVersion | string | Version of kubectl which will be used to connect to your cluster. Empty means the [default version](https://github.com/pipe-cd/pipecd/blob/master/pkg/app/piped/toolregistry/install.go#L29) will be used. | No |
 | kubeConfigPath | string | The path to the kubeconfig file. Empty means in-cluster. | No |
 | appStateInformer | [KubernetesAppStateInformer](#kubernetesappstateinformer) | Configuration for application resource informer. | No |
 

docs/content/en/docs-dev/user-guide/metrics.md

@@ -23,7 +23,7 @@ The piped agent collects its metrics and periodically sends them to the Control
 Developers managing the piped agent can also get metrics directly from the piped agent and monitor them with their custom monitoring service.
 
 ## Enable monitoring system
-To enable monitoring system for PipeCD, you first need to set the following value to `helm install` when [installing](../../../installation/install-controlplane/#2-preparing-control-plane-configuration-file-and-installing).
+To enable monitoring system for PipeCD, you first need to set the following value to `helm install` when [installing](../../installation/install-control-plane/installing-controlplane-on-k8s/#2-preparing-control-plane-configuration-file-and-installing).
 
 ```
 --set monitoring.enabled=true
@@ -79,7 +79,7 @@ prometheus:
             - channel: '#your-channel'
 ```
 
-And give it to the `helm install` command when [installing](../../../installation/install-controlplane/#2-preparing-control-plane-configuration-file-and-installing).
+And give it to the `helm install` command when [installing](../../installation/install-control-plane/installing-controlplane-on-k8s/#2-preparing-control-plane-configuration-file-and-installing).
 
 ```
 --values=values.yaml

docs/content/en/docs-v0.57.x/feature-status/_index.md

@@ -135,7 +135,7 @@ Note: These are statuses for Cloud Run service. Cloud Run job has not been suppo
 | Support [Minio](https://github.com/minio/minio) as file store | Beta |
 | [Insights](../user-guide/insights/) - Show the delivery performance of a team or an application | Beta |
 | [Deployment Chain](../user-guide/managing-application/deployment-chain/) - Allow rolling out to multiple clusters gradually or promoting across environments | Alpha |
-| [Metrics](../user-guide/managing-controlplane/metrics/) - Dashboards for PipeCD and Piped metrics | Beta |
+| [Metrics](../user-guide/metrics/) - Dashboards for PipeCD and Piped metrics | Beta |
 
 ## Pipectl
 

docs/content/en/docs-v0.57.x/user-guide/managing-piped/configuration-reference.md

@@ -97,7 +97,7 @@ Must be one of the following structs:
 | Field | Type | Description | Required |
 |-|-|-|-|
 | masterURL | string | The master URL of the kubernetes cluster. Empty means in-cluster. | No |
-| kubectlVersion | string | Version of kubectl which will be used to connect to your cluster. Empty means the version set on [piped config](../user-guide/managing-piped/configuration-reference/#platformproviderkubernetesconfig) or [default version](https://github.com/pipe-cd/pipecd/blob/master/tool/piped-base/install-kubectl.sh#L24) will be used. | No |
+| kubectlVersion | string | Version of kubectl which will be used to connect to your cluster. Empty means the [default version](https://github.com/pipe-cd/pipecd/blob/master/pkg/app/piped/toolregistry/install.go#L29) will be used. | No |
 | kubeConfigPath | string | The path to the kubeconfig file. Empty means in-cluster. | No |
 | appStateInformer | [KubernetesAppStateInformer](#kubernetesappstateinformer) | Configuration for application resource informer. | No |
 

docs/content/en/docs-v0.57.x/user-guide/metrics.md

@@ -23,7 +23,7 @@ The piped agent collects its metrics and periodically sends them to the Control
 Developers managing the piped agent can also get metrics directly from the piped agent and monitor them with their custom monitoring service.
 
 ## Enable monitoring system
-To enable monitoring system for PipeCD, you first need to set the following value to `helm install` when [installing](../../../installation/install-controlplane/#2-preparing-control-plane-configuration-file-and-installing).
+To enable monitoring system for PipeCD, you first need to set the following value to `helm install` when [installing](../../installation/install-control-plane/installing-controlplane-on-k8s/#2-preparing-control-plane-configuration-file-and-installing).
 
 ```
 --set monitoring.enabled=true
@@ -79,7 +79,7 @@ prometheus:
             - channel: '#your-channel'
 ```
 
-And give it to the `helm install` command when [installing](../../../installation/install-controlplane/#2-preparing-control-plane-configuration-file-and-installing).
+And give it to the `helm install` command when [installing](../../installation/install-control-plane/installing-controlplane-on-k8s/#2-preparing-control-plane-configuration-file-and-installing).
 
 ```
 --values=values.yaml