message: Identify the callback url needed for configuring oidc IdP clients.
  Just some missing info that I found while setting up an OIDC instance.
diff: @@ -7,7 +7,7 @@ This guide will explain how you can use an existing OAuth2 provider, including O
  ## Pre-requisites
  -For this guide we assume that you have a Kubernetes cluster that is properly configured to use an Identity Provider (IdP) to handle the authentication to your cluster. You can find more information about how Kubernetes uses OIDC tokens [here](https://kubernetes.io/docs/reference/access-authn-authz/authentication/#openid-connect-tokens). This means that the Kubernetes API server should be configured to use that OIDC provider.
  +For this guide we assume that you have a Kubernetes cluster that is properly configured to use an Identity Provider (IdP) to handle the authentication to your cluster. You can find more information about how Kubernetes uses OIDC tokens [here](https://kubernetes.io/docs/reference/access-authn-authz/authentication/#openid-connect-tokens). This means that the Kubernetes API server should be configured to use that OIDC provider or accepts access_tokens from the same provider as bearer tokens (see GKE below).
  There are several Identity Providers (IdP) that can be used in a Kubernetes cluster. The steps of this guide have been validated using the following providers:
  @@ -16,6 +16,8 @@ There are several Identity Providers (IdP) that can be used in a Kubernetes clus
  - [Azure Active Directory](https://docs.microsoft.com/en-us/azure/active-directory/fundamentals/active-directory-whatis): Identity Provider that can be used for AKS.
  - [Google OpenID Connect](https://developers.google.com/identity/protocols/OpenIDConnect): OAuth 2.0 for Google accounts.
  +When configuring the identity provider, you will need to ensure that the redirect URL for your Kubeapps installation is configured, which is your Kubeapps URL with the absolute path '/oauth2/callback'. For example, if I am deploying Kubeapps with TLS on the domain my-kubeapps.example.com, then the redirect URL will be `https://my-kubeapps.example.com/oauth2/callback`.
  +
  For Kubeapps to use an Identity Provider it's necessary to configure at least the following parameters:
  - Client ID: Client ID of the IdP.
  