refractored woodpecker

.woodpecker/cron.yml

@@ -0,0 +1,20 @@
+variables:
+  - &file Dockerfile
+  - &repo git.jmbit.de/${CI_REPO_OWNER}/${CI_REPO_NAME}
+
+steps:
+  build:
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      dockerfile: *file
+      platforms: linux/arm64/v8,linux/amd64
+      repo: *repo
+      registry: git.jmbit.de
+      tags: latest
+      username: ${CI_REPO_OWNER}
+      password:
+        from_secret: forgejo_token
+    when:
+      branch: main
+      event: cron
+