update Contribute page with Hugo information

content/cloud/contribute/index.md

@@ -4,33 +4,12 @@ date: 2021-05-18T11:22:35+02:00
 draft: false
 ---
 
-{{< hint danger >}}
-**WARNING:**
-
-This page requires an update.
-{{< /hint >}}
+We use open-source [Hugo](https://gohugo.io/) project to generate the documentation.
 
 
 ## Requirements
-Working with our documentation requires the following tools:
-* *git* for version control
-* *nodejs* and *gitbook* for content management
+[Install](https://gohugo.io/getting-started/installing/) Hugo 
 
-This documentation is written in the *Markdown* markup language.
-
-```bash
-# Debian
-apt-get install nodejs git
-```
-```bash
-# CentOS
-yum install nodejs git
-```
-```bash
-# Fedora
-dnf install nodejs git
-```
-Or see [NodeJS Documentation](https://nodejs.org/en/download/package-manager/) for distro-specific instructions.
 
 ## Work-flow Overview
 1. Fork & clone repository
@@ -54,19 +33,10 @@ git clone git@gitlab.ics.muni.cz:${GITLAB_USER}/documentation.git
 git checkout -b my_change
 ```
 
-## Install GitBook
-```bash
-npm install gitbook-cli -g
-
-# in `documentation`
-gitbook install
-```
-This step MAY require `sudo` depending on your system and NodeJS installation method.
-
 ## Edit GitBook
 ```bash
 # in `documentation`
-gitbook serve
+hugo --config config-dev.toml serve
 ```
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