DE-1784: Account Webhooks - Add docs (#392)

Signed-off-by: Alex Lebedev <6421109+alex-leb@users.noreply.github.com>

Author: alex-leb

README.md

@@ -186,6 +186,7 @@ This SDK includes the following components:
 - [Opt-In Handler](docs/OptInHandler.md)
 - [Domains](docs/Domains.md)
 - [Webhooks](docs/Webhooks.md)
+- [Account Webhooks](docs/AccountWebhooks.md)
 - [Events](docs/Events.md)
 - [Snippets](docs/Snippets.md)
 - [Subaccounts](docs/Subaccounts.md)

docs/AccountWebhooks.md

@@ -0,0 +1,55 @@
+Mailgun - Account Webhooks
+====================
+
+This is the Mailgun Ruby *Account Webhook* utilities.
+
+The below assumes you've already installed the Mailgun Ruby SDK in to your
+project. If not, go back to the master README for instructions.
+
+Usage - Account Webhooks
+-----------------------
+
+```ruby
+# First, instantiate the Mailgun Client with your API key
+mg_client = Mailgun::Client.new('your-api-key')
+hook = Mailgun::AccountWebhooks.new(mg_client)
+
+```
+
+Account Webhooks methods:
+
+```ruby
+# List account-level webhooks
+hook.list
+hook.list('id1, id2')
+
+# Create an account-level webhook
+hook.create(
+  description: 'desc',
+  event_types: 'accepted',
+  url: 'https://the.webhook.url/'
+)
+
+# Delete account-level webhooks
+hook.remove(all: true)
+hook.remove('id1, id2')
+
+# Get account-level webhook by ID
+hook.get('id1')
+
+# Update an account-level webhook
+hook.update(
+  'hook',
+  description: 'desc',
+  event_types: 'accepted',
+  url: 'https://the.webhook.url/'
+)
+
+# Delete account-level webhook by ID
+hook.remove_by_id('id1')
+```
+
+More Documentation
+------------------
+See the official [Mailgun Account Webhooks Docs](https://documentation.mailgun.com/docs/mailgun/api-reference/send/mailgun/account-webhooks)
+for more information

docs/Webhooks.md

@@ -38,5 +38,5 @@ hook.remove_all 'my.perfect.domain'
 
 More Documentation
 ------------------
-See the official [Mailgun Domain Docs](https://documentation.mailgun.com/en/latest/api-webhooks.html)
+See the official [Mailgun Webhooks Docs](https://documentation.mailgun.com/docs/mailgun/api-reference/send/mailgun/domain-webhooks)
 for more information