Add build failure notifications

.drone.yml

@@ -21,6 +21,21 @@ steps:
         from_secret: drone_ssh_swarm-0_coopcloud_tech
     depends_on:
       - build static
+
+  - name: notify on failure
+    image: plugins/matrix
+    settings:
+      homeserver: https://matrix.autonomic.zone
+      roomid: "IFazIpLtxiScqbHqoa:autonomic.zone"
+      userid: "@autono-bot:autonomic.zone"
+      accesstoken:
+        from_secret: autono_bot_access_token
+    depends_on:
+      - build static
+      - deployment
+    when:
+      status:
+        - failure
 trigger:
   branch:
     - main