linting added to CI + bypass tags

.woodpecker/billing_documents.yml

@@ -42,6 +42,16 @@ steps:
       - export PATH="$(go env GOPATH)/bin:$PATH"
       - bash ci/scripts/proto/generate.sh
 
+  - name: backend-lint
+    image: golang:alpine
+    depends_on: [ proto ]
+    commands:
+      - set -eu
+      - apk add --no-cache bash git build-base
+      - go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
+      - export PATH="$(go env GOPATH)/bin:$PATH"
+      - sh ci/scripts/common/run_backend_lint.sh billing_documents
+
   - name: backend-tests
     image: golang:alpine
     depends_on: [ proto ]
@@ -70,7 +80,7 @@ steps:
 
   - name: build-image
     image: gcr.io/kaniko-project/executor:debug
-    depends_on: [ backend-tests, secrets ]
+    depends_on: [ backend-lint, backend-tests, secrets ]
     commands:
       - sh ci/scripts/billing_documents/build-image.sh