add drone dev pipe

.drone.yaml

@@ -0,0 +1,45 @@
+kind: pipeline
+name: default
+
+trigger:
+  event:
+    - push
+
+steps:
+  - name: docker-login
+    image: docker:20.10.16-dind
+    privileged: true
+    environment:
+      DOCKER_BUILDKIT: 1
+      DOCKER_USERNAME:
+        from_secret: docker_username
+      DOCKER_PASSWORD:
+        from_secret: docker_password
+    commands:
+      - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+
+  - name: create-builder
+    image: docker:20.10.16-dind
+    privileged: true
+    environment:
+      DOCKER_BUILDKIT: 1
+    commands:
+      - docker buildx create --use --name multi-builder || docker buildx use multi-builder
+
+  - name: bootstrap
+    image: docker:20.10.16-dind
+    privileged: true
+    environment:
+      DOCKER_BUILDKIT: 1
+    commands:
+      - docker buildx inspect --bootstrap
+
+  - name: build-push
+    image: docker:20.10.16-dind
+    privileged: true
+    environment:
+      DOCKER_BUILDKIT: 1
+      DOCKER_USERNAME:
+        from_secret: docker_username
+    commands:
+      - docker buildx build --platform linux/amd64,linux/arm64 -t ${DOCKER_USERNAME}/deluge-openvpn:dev --push .