Added a debug mode to `build-catalogue` (#1686)
Added a debug mode to `build-catalogue` (#1686)

A `--debug` flag is added so that users can inspect the out-of-tree generated C++ code of their catalogue builds.
halfflat/arbor,eth-cscs/nestmc-proto,halfflat/nestmc-proto,halfflat/arbor,halfflat/arbor,halfflat/arbor,halfflat/nestmc-proto,eth-cscs/nestmc-proto,halfflat/arbor,halfflat/nestmc-proto,eth-cscs/nestmc-proto