Update README.md

Add command to run action locally directly on the host, without using Docker

README.md

@@ -44,6 +44,12 @@ INFO[0000] Start server on http://192.168.122.175:34567
 [checkout/checkout] Cleaning up network for job checkout, and network name is: GITEA-ACTIONS-TASK-push_WORKFLOW-checkout_JOB-checkout-checkout-network
 ```
 
+- If you wish to run the action locally with a self-hosted runner that runs directly on the host, use the following instead: 
+
+```
+./act_runner exec --workflows workflows/checkout.yml  -i -self-hosted
+```
+
 ## How workflows are used in Phyllome OS
 
 Several known actions repositories are mirrored within Phyllome's Gitea instance, under the [actions](https://git.phyllo.me/actions) organization.