docs: link to region list (#266) (#334)

* docs: link to region list

Author: bechols

docs/resources/namespace.md

@@ -4,11 +4,17 @@ page_title: "temporalcloud_namespace Resource - terraform-provider-temporalcloud
 subcategory: ""
 description: |-
   Provisions a Temporal Cloud namespace.
+  Regions available in Temporal Cloud: https://docs.temporal.io/cloud/regions.
+  Note that regions are prefixed with the cloud provider (aws-us-east-1, not us-east-1)
 ---
 
 # temporalcloud_namespace (Resource)
 
-Provisions a Temporal Cloud namespace.
+Provisions a Temporal Cloud namespace. 
+
+Regions available in Temporal Cloud: https://docs.temporal.io/cloud/regions. 
+
+Note that regions are prefixed with the cloud provider (aws-us-east-1, not us-east-1)
 
 ## Example Usage
 
@@ -132,7 +138,7 @@ resource "temporalcloud_namespace" "terraform3" {
 ### Required
 
 - `name` (String) The name of the namespace.
-- `regions` (List of String) The list of regions that this namespace is available in. If more than one region is specified, this namespace is a "Multi-region Namespace". Please note that changing, adding, or removing regions is not supported and the provider will attempt to recreate the namespace. For Multi-region Namespaces the provider will ignore order changes on regions which can happen if the namespace fails over.
+- `regions` (List of String) The list of regions that this namespace is available in. If more than one region is specified, this namespace is a "Multi-region Namespace". Please note that changing, adding, or removing regions is not supported and the provider will attempt to recreate the namespace. For Multi-region Namespaces the provider will ignore order changes on regions which can happen if the namespace fails over. See https://docs.temporal.io/cloud/regions for a list of available regions. Note that regions are prefixed with the cloud provider (aws-us-east-1, not us-east-1)
 - `retention_days` (Number) The number of days to retain workflow history. Any changes to the retention period will be applied to all new running workflows.
 
 ### Optional

internal/provider/namespace_resource.go

@@ -157,7 +157,7 @@ func (r *namespaceResource) Metadata(_ context.Context, req resource.MetadataReq
 // Schema defines the schema for the resource.
 func (r *namespaceResource) Schema(ctx context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
 	resp.Schema = schema.Schema{
-		Description: "Provisions a Temporal Cloud namespace.",
+		Description: "Provisions a Temporal Cloud namespace. \n\nRegions available in Temporal Cloud: https://docs.temporal.io/cloud/regions. \n\nNote that regions are prefixed with the cloud provider (aws-us-east-1, not us-east-1)",
 		Attributes: map[string]schema.Attribute{
 			"name": schema.StringAttribute{
 				Description: "The name of the namespace.",
@@ -174,7 +174,7 @@ func (r *namespaceResource) Schema(ctx context.Context, _ resource.SchemaRequest
 				},
 			},
 			"regions": schema.ListAttribute{
-				Description: "The list of regions that this namespace is available in. If more than one region is specified, this namespace is a \"Multi-region Namespace\". Please note that changing, adding, or removing regions is not supported and the provider will attempt to recreate the namespace. For Multi-region Namespaces the provider will ignore order changes on regions which can happen if the namespace fails over.",
+				Description: "The list of regions that this namespace is available in. If more than one region is specified, this namespace is a \"Multi-region Namespace\". Please note that changing, adding, or removing regions is not supported and the provider will attempt to recreate the namespace. For Multi-region Namespaces the provider will ignore order changes on regions which can happen if the namespace fails over. See https://docs.temporal.io/cloud/regions for a list of available regions. Note that regions are prefixed with the cloud provider (aws-us-east-1, not us-east-1)",
 				ElementType: types.StringType,
 				Required:    true,
 				CustomType: internaltypes.UnorderedStringListType{