Make CI use woodpecker instead of drone

.drone.yml

@@ -1,43 +0,0 @@
----
-kind: pipeline
-type: docker
-name: default
-
-steps:
-- name: "Build"
-  image: "eclipse-temurin:16-jdk"
-  commands:
-    - "./gradlew assemble"
-- name: "Test"
-  image: "eclipse-temurin:16-jdk"
-  commands:
-    - "./gradlew test"
-- name: "Create Release"
-  image: plugins/gitea-release
-  settings:
-    api_key:
-      from_secret: "gitea_api_key"
-    base_url:
-      from_secret: "gitea_base_url"
-    files: build/libs/CSharpCommentChecker-*.jar
-  when:
-    event:
-      - tag
-- name: "Push docker image"  
-  image: plugins/docker
-  settings:
-    username:
-      from_secret: "docker_username"
-    password:
-      from_secret: "docker_password"
-    registry:
-      from_secret: "docker_registry"
-    repo:
-      from_secret: "docker_repo"
-    tags: latest
-    auto_tag: true
-  when:
-    event:
-      - tag
-
-

.woodpecker.yml

@@ -0,0 +1,38 @@
+pipeline:
+  build:
+    image: "eclipse-temurin:16-jdk"
+    commands:
+      - "./gradlew assemble"
+  test:
+    image: "eclipse-temurin:16-jdk"
+    commands:
+      - "./gradlew test"
+  release:
+    image: plugins/gitea-release
+    settings:
+      api_key:
+        from_secret: "gitea_api_key"
+      base_url:
+        from_secret: "gitea_base_url"
+      files: build/libs/CSharpCommentChecker-*.jar
+    when:
+      event:
+        - tag
+  docker:
+    image: plugins/docker
+    settings:
+      username:
+        from_secret: "docker_username"
+      password:
+        from_secret: "docker_password"
+      registry:
+        from_secret: "docker_registry"
+      repo:
+        from_secret: "docker_repo"
+      tags: latest
+      auto_tag: true
+    when:
+      event:
+        - tag
+
+