Don't build image in CI, add script for local build

.woodpecker/.docker.yml

@@ -1,13 +0,0 @@
-pipeline:
-  docker:
-    image: woodpeckerci/plugin-docker-buildx
-    settings:
-      registry: git.frohnmeyer-wds.de
-      username: ${CI_REPO_OWNER}
-      password:
-        from_secret: gitea_packages_pat
-      dockerfile: docker/ci-wine.Dockerfile
-      tag: latest
-      repo: git.frohnmeyer-wds.de/johannes/ci-wine
-    when:
-      - branch: master

build_docker.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+dir="$(dirname "$0")"
+sudo docker buildx build --push -f "$dir/docker/ci-wine.Dockerfile" -t git.frohnmeyer-wds.de/johannes/ci-wine "$dir"