(venv) D:\developpement\GitHub\glx22\website [master ≡ +1 ~0 -0 !]> bundle.bat install
Fetching gem metadata from https://rubygems.org/...........
Fetching gem metadata from https://rubygems.org/.
Resolving dependencies...
Bundler could not find compatible versions for gem "ruby ":
  In Gemfile:
    ruby

    jekyll-paginate-v2 (~> 2.0) was resolved to 2.0.0, which depends on
      jekyll (~> 3.0) was resolved to 3.8.5, which depends on
        jekyll-watch (~> 2.0) was resolved to 2.1.2, which depends on
          listen (~> 3.0) was resolved to 3.1.5, which depends on
rb-inotify (~> 0.9, >= 0.9.7) was resolved to 0.10.0, which depends
on
              ffi (~> 1.0) was resolved to 1.9.25, which depends on
                ruby  (< 2.6) x64-mingw32

Could not find gem 'ruby  (< 2.6)', which is required by gem 'ffi (~> 1.0)', in
any of the relevant sources:
  the local ruby installation