docs: Add API spec for Helm v1

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

Author: stefanprodan

README.md

@@ -20,8 +20,8 @@ and is a core component of the [GitOps toolkit](https://fluxcd.io/flux/component
 |---------------------------------------------------------|------------------------------------|
 | [GitRepository](docs/spec/v1/gitrepositories.md)        | `source.toolkit.fluxcd.io/v1`      |
 | [OCIRepository](docs/spec/v1beta2/ocirepositories.md)   | `source.toolkit.fluxcd.io/v1beta2` |
-| [HelmRepository](docs/spec/v1beta2/helmrepositories.md) | `source.toolkit.fluxcd.io/v1beta2` |
-| [HelmChart](docs/spec/v1beta2/helmcharts.md)            | `source.toolkit.fluxcd.io/v1beta2` |
+| [HelmRepository](docs/spec/v1beta2/helmrepositories.md) | `source.toolkit.fluxcd.io/v1`      |
+| [HelmChart](docs/spec/v1beta2/helmcharts.md)            | `source.toolkit.fluxcd.io/v1`      |
 | [Bucket](docs/spec/v1beta2/buckets.md)                  | `source.toolkit.fluxcd.io/v1beta2` |
 
 ## Features

docs/spec/v1/README.md

@@ -6,6 +6,8 @@ This is the v1 API specification for defining the desired state sources of Kuber
 
 * Source kinds:
   + [GitRepository](gitrepositories.md)
+  + [HelmRepository](helmrepositories.md)
+  + [HelmChart](helmcharts.md)
 
 ## Implementation