Release 1.0.12: Fix docker_build_args template syntax error
- Fix syntax error in templates/build.yaml line 42
- Corrected GitHub Actions syntax ${{ }} to GitLab CI syntax $[[ ]]
- Resolves 'bad substitution' errors when using docker_build_args parameter
- Enables proper Angular multi-environment builds with build arguments
- Add deploy_kube.yaml template for Kubernetes deployments