First support for caddy 2

.drone.yml

@@ -0,0 +1,21 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: Publish to docker
+    image: plugins/docker
+    settings:
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      auto_tag: true
+      repo: hibas123.azurecr.io/caddy
+      registry: hibas123.azurecr.io
+      debug: true
+    when:
+      branch: [master]
+      event:
+        exclude:
+          - pull_request