docs: Add Organization Self-Hosted runner doc

Signed-off-by: Hari Darshan Gorana <[email protected]>

Author: haridarshan

doc/organization/actions/self_hosted_runners.md

@@ -0,0 +1,51 @@
+## Organization / Actions / Self Hosted Runners API
+[Back to the "Organization API"](../../organization.md) | [Back to the navigation](../../README.md)
+
+# List self-hosted runners for an Organization
+
+https://docs.github.com/en/rest/actions/self-hosted-runners?apiVersion=2022-11-28#list-self-hosted-runners-for-an-organization
+
+```php
+$runners = $client->api('organization')->runners()->all('KnpLabs');
+```
+
+# Get a self-hosted runner for an Organization
+
+ https://docs.github.com/en/rest/actions/self-hosted-runners?apiVersion=2022-11-28#get-a-self-hosted-runner-for-an-organization
+
+```php
+$runner = $client->api('organization')->runners()->show('KnpLabs', $runnerId);
+```
+
+# Delete a self-hosted runner from an Organization
+
+https://docs.github.com/en/rest/actions/self-hosted-runners?apiVersion=2022-11-28#delete-a-self-hosted-runner-from-an-organization
+
+```php
+$client->api('organization')->runners()->remove('KnpLabs', $runnerId);
+```
+
+# List runner applications for an Organization
+
+https://docs.github.com/en/rest/actions/self-hosted-runners?apiVersion=2022-11-28#list-runner-applications-for-an-organization
+
+```php
+$applications = $client->api('organization')->selfHostedRunners()->applications('KnpLabs');
+```
+
+# List of all runners with Pagination
+
+```php
+$api = $github->api('organization')->runners();
+$paginator  = new Github\ResultPager($github);
+$parameters = array('KnpLabs');
+$runners = $paginator->fetchAll($api, 'all', $parameters);
+
+do {
+    foreach ($runners['runners'] as $runner) {
+        // code
+    }
+    $runners = $paginator->fetchNext();
+}
+while($paginator->hasNext());
+```