docs: Update links to API documentation.

docs/resources/custom_image.md

@@ -42,7 +42,7 @@ The following arguments are supported:
 * `url` - (Required) A URL from which the custom Linux virtual machine image may be retrieved.
 * `regions` - (Required) A list of regions. (Currently only one is supported).
 * `description` - An optional description for the image.
-* `distribution` - An optional distribution name for the image. Valid values are documented [here](https://developers.digitalocean.com/documentation/v2/#create-a-custom-image)
+* `distribution` - An optional distribution name for the image. Valid values are documented [here](https://docs.digitalocean.com/reference/api/api-reference/#operation/create_custom_image)
 * `tags` - A list of optional tags for the image.
 
 ## Attributes Reference

docs/resources/database_cluster.md

@@ -62,7 +62,7 @@ The following arguments are supported:
 
 * `name` - (Required) The name of the database cluster.
 * `engine` - (Required) Database engine used by the cluster (ex. `pg` for PostreSQL, `mysql` for MySQL, `redis` for Redis, or `mongodb` for MongoDB).
-* `size` - (Required) Database Droplet size associated with the cluster (ex. `db-s-1vcpu-1gb`). See here for a [list of valid size slugs](https://developers.digitalocean.com/documentation/v2/#databases).
+* `size` - (Required) Database Droplet size associated with the cluster (ex. `db-s-1vcpu-1gb`). See here for a [list of valid size slugs](https://docs.digitalocean.com/reference/api/api-reference/#tag/Databases).
 * `region` - (Required) DigitalOcean region where the cluster will reside.
 * `node_count` - (Required) Number of nodes that will be included in the cluster.
 * `version` - (Required) Engine version used by the cluster (ex. `11` for PostgreSQL 11).

docs/resources/droplet.md

@@ -27,7 +27,7 @@ The following arguments are supported:
 * `image` - (Required) The Droplet image ID or slug.
 * `name` - (Required) The Droplet name.
 * `region` - (Required) The region to start in.
-* `size` - (Required) The unique slug that indentifies the type of Droplet. You can find a list of available slugs on [DigitalOcean API documentation](https://developers.digitalocean.com/documentation/v2/#list-all-sizes).
+* `size` - (Required) The unique slug that indentifies the type of Droplet. You can find a list of available slugs on [DigitalOcean API documentation](https://docs.digitalocean.com/reference/api/api-reference/#tag/Sizes).
 * `backups` - (Optional) Boolean controlling if backups are made. Defaults to
    false.
 * `monitoring` - (Optional) Boolean controlling whether monitoring agent is installed.

docs/resources/spaces_bucket.md

@@ -6,7 +6,7 @@ page_title: "DigitalOcean: digitalocean_spaces_bucket"
 
 Provides a bucket resource for Spaces, DigitalOcean's object storage product.
 
-The [Spaces API](https://developers.digitalocean.com/documentation/spaces/) was
+The [Spaces API](https://docs.digitalocean.com/reference/api/spaces-api/) was
 designed to be interoperable with Amazon's AWS S3 API. This allows users to
 interact with the service while using the tools they already know. Spaces
 mirrors S3's authentication framework and requests to Spaces require a key pair

docs/resources/spaces_bucket_object.md

@@ -8,7 +8,7 @@ Provides a bucket object resource for Spaces, DigitalOcean's object storage prod
 The `digitalocean_spaces_bucket_object` resource allows Terraform to upload content
 to Spaces.
 
-The [Spaces API](https://developers.digitalocean.com/documentation/spaces/) was
+The [Spaces API](https://docs.digitalocean.com/reference/api/spaces-api/) was
 designed to be interoperable with Amazon's AWS S3 API. This allows users to
 interact with the service while using the tools they already know. Spaces
 mirrors S3's authentication framework and requests to Spaces require a key pair

docs/resources/vpc.md

@@ -4,7 +4,7 @@ page_title: "DigitalOcean: digitalocean_vpc"
 
 # digitalocean_vpc
 
-Provides a [DigitalOcean VPC](https://developers.digitalocean.com/documentation/v2/#vpcs) resource.
+Provides a [DigitalOcean VPC](https://docs.digitalocean.com/reference/api/api-reference/#tag/VPCs) resource.
 
 VPCs are virtual networks containing resources that can communicate with each
 other in full isolation, using private IP addresses.