devcontainer: link automations.yaml via gitpod customization

Add the gitpod.automationsFile reference so Ona picks up
.ona/automations.yaml automatically on environment start.

Signed-off-by: gman4001 <gamblecolton4@gmail.com>
Co-authored-by: Ona <no-reply@ona.com>

Author: gman4001

.devcontainer/devcontainer.json

@@ -7,6 +7,9 @@
 		}
 	},
 	"customizations": {
+		"gitpod": {
+			"automationsFile": "../.ona/automations.yaml"
+		},
 		"vscode": {
 			"extensions": [
 				"ms-vscode.cmake-tools",