Revert "remove arm64 support"

This reverts commit 14bd33e4

.drone.yml

@@ -46,4 +46,37 @@ steps:
         - service luxmed-bot start
     when:
       branch: master
-      event: push
+      event: push
+
+---
+kind: pipeline
+name: arm64
+
+platform:
+  os: linux
+  arch: arm64
+
+steps:
+  - name: build
+    image: arm64v8/openjdk:8-alpine
+    environment:
+      GRADLE_USER_HOME: ~/.gradle
+    commands:
+      - ./gradlew test
+      - ./gradlew prepare
+      - echo -n "1.0.$DRONE_BUILD_NUMBER-arm64,latest-arm64" > .tags
+      - echo -n "1.0.$DRONE_BUILD_NUMBER" > ./docker/version
+
+  - name: publish
+    image: plugins/docker
+    settings:
+      repo: eugenezadyra/luxmed-bot
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      dockerfile: docker/Dockerfile.arm64
+      context: docker/
+    when:
+      branch: master
+      event: push