Added email notification for failed builds.

.woodpecker/build.yml

@@ -26,6 +26,16 @@ pipeline:
       key:
         from_secret: artifacts_ssh
       user: artifacts
+  notify:
+    image: drillster/drone-email
+    settings:
+      host: smtp.0x5f.org
+      username: woodpecker
+      password: 
+        from_secret: email
+      from: ci@logicalhacking.com
+    when:
+      status: [ changed, failure ]    
 
 matrix:
   LATEX: