interfaces addition

Author: Ryan Syracuse

src/content/changelog/4-69-0-2020-07-13.md

@@ -16,6 +16,11 @@ changelog:
 
 - When Listing Account Events ([GET /v4/account/events](/api/v4/account-events)), you can now filter by its `action` field. See [Filtering and Sorting](/api/v4/#filtering-and-sorting) to learn how to search API v4 collections.
 
+- `Interfaces` objects were added to enable users to create and edit network interfaces, and apply network interface slots on to their linode. `Interfaces` objects may be in numberical order from `eth0` to `eth9`, and include a numerical `id` which may be assigned by a user. You can interact with `Interfaces` and find more information through the following endpoints:
+     - List Configuration Profiles ([GET linode/instances/{linodeId}/configs](/api/v4/linode/instances/{linodeId}/configs))
+     - Create Configuration Profile ([ POST /linode/instances/{linodeId}/configs/{configId}](/api/v4/linode-instances-linode-id-configs/#post))   
+     - Update Configuration Profile ([ PUT /linode/instances/{linodeId}/configs/{configId}](/api/v4/linode-instances-linode-id-configs-config-id/#put)) 
+
 ### Changed
 
 - Added improved error handling for the `ssl_cert` and `ssl_key` fields in the NodeBalancer collection. Error messages will now explain if a provided key is in an incorrect format. These fields are available from the following endpoints: