1. Install rbenv with instructions from https://github.com/rbenv/rbenv
2. git clone this Git repo to your local computer, and cd into the the repository.
3. Run rbenv install 2.6.5 to install Ruby 2.6.5.
4. Run rbenv local 2.6.5
5. Run gem install bundler
6. Run bundle install --path vendor to install dependency packages.
7. Copy config/database.yml.example file to config/database.yml.
8. Run bundle exec rake db:migrate to create/setup the database.
9. Run bundle exec rails server to start the local website server. You should be able to go to http://localhost:3000 in your browser to see the site. Note that loading the website for the first time might take a bit of time.

The username/password for the admin panel is set using environment variables. To be able to access it, you need to export the following environment variables:

export WBL_ADMIN_USERNAME="some_username"
export WBL_ADMIN_PASSWORD="some_password"

# Then launch the server with:
bundle exec rails server

With this, you should be able to go to http://localhost:3000/admin, and use the username/password you chose above to access the admin panel.