update contrubition docs

Author: Mahmoudz

DOCUMENTATION/_settings/content/contributing/index.md

@@ -38,18 +38,23 @@ You can request a new feature by submitting an [Issue](https://github.com/larado
 
 Laradock uses [Hugo](https://gohugo.io/) as website generator tool, with the [Material Docs theme](http://themes.gohugo.io/theme/material-docs/). You might need to check their docs quickly.
 
-Go the `DOCUMENTATION/_settings/content` and search for the markdown file you want to edit (every folder represents a section in the menu).
+Go the `DOCUMENTATION/_settings/content` and search for the markdown file you want to edit
 
-To edit the sidebar or add a new section, you need to edit this file `DOCUMENTATION/_settings/config.toml` as well.
+Note: Every folder represents a section in the sidebar "Menu". And every page and sidebar has a `weight` number to show it's position in the site.
 
-*The site will be autogenerated in the `docs/` folder by [Travis](https://travis-ci.com/).*
+To update the sidebar or add a new section to it, you can edit this `DOCUMENTATION/_settings/config.toml` toml file.
+
+> The site will be auto-generated in the `docs/` folder by [Travis CI](https://travis-ci.org/laradock/laradock/).
+
+
+<br>
 
 ### To Host the website locally
 
-1. Install [Hugo](https://gohugo.io/) on your machine (easy thing).
+1. Install [Hugo](https://gohugo.io/) on your machine.
 2. Edit the `DOCUMENTATION/_settings/content`.
 3. Delete the `/docs` folder from the root.
-4. When you finish editing, go to `DOCUMENTATION/_settings/` and run the `hugo` command to generate the HTML docs (inside new `/docs` folder).
+4. After you finish the editing, go to `DOCUMENTATION/_settings/` and run the `hugo` command to generate the HTML docs (inside a new `/docs` folder).