ci: slack integration

.drone.yml

@@ -99,6 +99,13 @@ steps:
     depends_on:
       - test
 
+  - name: slack
+    image: plugins/slack
+    settings:
+      webhook:
+        from_secret: slack_webhook_url
+      channel: xsfx-alerts
+
 volumes:
   - name: gobin
     temp: {}