- Created base-images/alpine-git-yq/Dockerfile with git, yq, curl, bash
- Added build scripts (build-alpine-ci-image.sh and .bat)
- Updated .woodpecker.yaml to use alpine-git-yq:3.19 instead of alpine:3.19
- Removed apk add commands from CI pipeline (packages now pre-installed)
- Added CI_IMAGE_SETUP.md with detailed setup instructions
- Solves Alpine package repository blocking in air-gapped cluster
