Add drone CI

.drone.yml

@@ -0,0 +1,37 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+platform:
+  os: linux
+  arch: arm64
+
+steps:
+  - name: build
+    image: plugins/hugo
+    settings:
+      hugo_version: 0.70.0
+      validate: true
+
+  - name: deploy
+    image: appleboy/drone-scp
+    settings:
+      debug: true
+      tar_tmp_path: /tmp/
+      host: www.happydns.org
+      target: /var/www/happydns.org/htdocs
+      source: public/*
+      strip_components: 1
+      username:
+        from_secret: ssh_username
+      key:
+        from_secret: deploy_key
+      port:
+        from_secret: ssh_port
+    when:
+      branch:
+        - master
+      event:
+        exclude:
+          - pull_request