feat(Buildpacks): Add option for simulating build on a CNB platform; refactor `clean` command`
feat(Buildpacks): Add option for simulating build on a CNB platform; refactor `clean` command`

stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila