message: [skip ci] doc review: rename the repository gudhi-devel, precise how to clone and init submodules
diff: @@ -15,7 +15,8 @@ mamba install -c conda-forge python cmake doxygen eigen cgal-cpp
  Some of the requirements are in the gudhi repository (please refer to
  [how to use github to contribute to gudhi](how_to_use_github_to_contribute_to_gudhi.md)).
  -In the gudhi repository - let's call it `/workdir/gudhi` i.e. - once submodules are initialised:
  +Once the gudhi-devel repository is cloned on your machine (`git clone...`) - let's call it `/workdir/gudhi-devel` i.e. -
  +and once the submodules are initialised (`git submodule update --init`):
  ```bash
  pip install -r ext/gudhi-deploy/build-requirements.txt
  @@ -26,7 +27,7 @@ pip install -r ext/gudhi-deploy/test-requirements.txt # pytorch can be painful
  In order to compile all c++ utilities, examples, benchmarks, unitary tests, and python module:
  ```bash
  -cd /workdir/gudhi
  +cd /workdir/gudhi-devel
  rm -rf build; mkdir build # /!\ any existing build folder will be removed
  cd build
  # To build all even examples and benchmarks
  @@ -37,7 +38,7 @@ cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=$CONDA_PREFIX -DWITH_GUDHI_
  In order to compile only python module
  ```bash
  -cd /workdir/gudhi
  +cd /workdir/gudhi-devel
  rm -rf build; mkdir build # /!\ any existing build folder will be removed
  cd build
  cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=$CONDA_PREFIX ..
  @@ -50,13 +51,13 @@ python setup.py build_ext -j 16 --inplace # 16 is the number of CPU that are us
  In order to use freshly compiled gudhi python module:
  ```bash
  -PYTHONPATH=/workdir/gudhi/build/src/python python # or ipython, jupyter, ...
  +PYTHONPATH=/workdir/gudhi-devel/build/src/python python # or ipython, jupyter, ...
  ```
  ### Specific C++ documentation generation
  ```bash
  -cd /workdir/gudhi
  +cd /workdir/gudhi-devel
  rm -rf build; mkdir build # /!\ any existing build folder will be removed
  cd build
  # python OFF to prevent python modules search makes cmake faster
  @@ -75,7 +76,7 @@ firefox html/index.html # [optional] To display the c++ documentation. Anything
  ### Specific python documentation generation
  ```bash
  -cd /workdir/gudhi
  +cd /workdir/gudhi-devel
  rm -rf build; mkdir build # /!\ any existing build folder will be removed
  cd build
  # python OFF to prevent python modules search makes cmake faster - it is the next cmake call in user version that matters
  