Update docs with references to release-0.8 (#1802)

Author: Amulyam24

README.md

@@ -49,7 +49,7 @@ This provider's versions are compatible with the following versions of Cluster A
 |:----------------------------------------|:---------------:|:--------------:|
 | CAPIBM v1alpha4 (v0.1.x)                  | ✓               |                |
 | CAPIBM v1beta1 (v0.2.x, v0.3.x)           |                 | ✓              |
-| CAPIBM v1beta2 (v0.[4-7].x, main)         |                 | ✓              |
+| CAPIBM v1beta2 (v0.[4-8].x, main)         |                 | ✓              |
 
 
 (See [Kubernetes support matrix][cluster-api-supported-v] of Cluster API versions).

docs/book/src/introduction.md

@@ -20,8 +20,9 @@ previous cluster managers such as [kops](https://github.com/kubernetes/kops) and
 
 <h1>Cluster API Provider IBM Cloud documentation versions</h1>
 
-This book documents Cluster API Provider IBM Cloud v0.7. For other versions please see the corresponding documentation:
+This book documents Cluster API Provider IBM Cloud v0.8. For other versions please see the corresponding documentation:
 * [main.cluster-api-ibmcloud.sigs.k8s.io](https://main.cluster-api-ibmcloud.sigs.k8s.io)
+* [release-0-8.cluster-api-ibmcloud.sigs.k8s.io](https://release-0-8.cluster-api-ibmcloud.sigs.k8s.io/)
 * [release-0-7.cluster-api-ibmcloud.sigs.k8s.io](https://release-0-7.cluster-api-ibmcloud.sigs.k8s.io/)
 * [release-0-6.cluster-api-ibmcloud.sigs.k8s.io](https://release-0-6.cluster-api-ibmcloud.sigs.k8s.io/)
 * [release-0-5.cluster-api-ibmcloud.sigs.k8s.io](https://release-0-5.cluster-api-ibmcloud.sigs.k8s.io/)