fix(Images): Add to `PATH` and `LD_LIBRARY_PATH` env vars for each layer
fix(Images): Add to `PATH` and `LD_LIBRARY_PATH` env vars for each layer

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