feat: add release job

.woodpecker/release.yml

@@ -0,0 +1,21 @@
+
+when:
+  - event: push
+    branch: main
+
+depends_on:
+  - test
+  - playwright
+
+steps:
+  - name: build-docker-image
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      repo: git.keks.cloud/${CI_REPO_OWNER}/miniauth
+      dockerfile: Dockerfile
+      platforms: linux/amd64,linux/arm64,linux/arm64/v8
+      tag: latest
+      registry: git.keks.cloud
+      username: ${CI_REPO_OWNER}
+      password:
+        from_secret: docker_password