Replace Drone with Woodpecker

.woodpecker/.code_standards_check.yml

@@ -0,0 +1,35 @@
+skip_clone: true
+
+pipeline:
+  clone_friendica_base:
+    image: alpine/git
+    commands:
+      - git clone https://github.com/friendica/friendica.git .
+      - git checkout $CI_COMMIT_BRANCH
+    when:
+      event: pull_request
+  clone_friendica_addon:
+    image: alpine/git
+    commands:
+      - git clone $CI_REPO_LINK addon
+      - cd addon/
+      - git checkout $CI_COMMIT_BRANCH
+      - git fetch origin $CI_COMMIT_REF
+      - git merge $CI_COMMIT_SHA
+    when:
+      event: pull_request
+  composer_install:
+    image: composer
+    commands:
+      - ./bin/composer.phar run cs:install
+    when:
+      event: pull_request
+  check:
+    image: friendicaci/php-cs
+    commands:
+      - cd addon/
+      - export CHANGED_FILES="$(git diff --name-status ${CI_PREV_COMMIT_SHA}..${CI_COMMIT_SHA} | grep ^A | cut -f2 | sed -e "s/^/addon\\//")"
+      - cd ../
+      - /check-php-cs.sh
+    when:
+      event: pull_request