Add woodpecker

.woodpecker.yml

@@ -0,0 +1,15 @@
+steps:
+  build:
+    image: woodpeckerci/plugin-docker-buildx
+    secrets: [docker_username, docker_password]
+    settings:
+      repo: seriousbug/plex-amd
+      dockerfile: Dockerfile
+      platforms: linux/amd64
+      tag: latest
+    when:
+      event:
+        - manual
+        - push
+        - cron
+      branch: main