After having modified the project on the "develop" branch, follow these instructions:
(Taken from here)
cd ~
sudo apt-get install ruby-full build-essential zlib1g-dev
echo '# Install Ruby Gems to ~/gems' >> ~/.bashrc
echo 'export GEM_HOME="$HOME/gems"' >> ~/.bashrc
echo 'export PATH="$HOME/gems/bin:$PATH"' >> ~/.bashrc
source ~/.bashrc
gem install jekyll bundler
cd ~/Devel/skribisto-help-website
bundle install
Then,
bundle exec jekyll serve
In your browser go to (http://localhost:4000/)[http://localhost:4000/]
After this last command, whenever you make a change made in the project, the generated website will reflect it.