Merge branch 'add-file' into 'master'

doc/gitlab-basics/README.md

@@ -2,7 +2,7 @@
 
 Step-by-step guides on the basics of working with Git and GitLab.
 
-* [Start using Git on the commandline](start-using-git.md)
+* [Start using Git on the command line](start-using-git.md)
 
 * [Create and add your SSH Keys](create-your-ssh-keys.md)
 
@@ -17,3 +17,5 @@ Step-by-step guides on the basics of working with Git and GitLab.
 * [Create a branch](create-branch.md)
 
 * [Fork a project](fork-project.md)
+
+* [Add a file](add-file.md)

doc/gitlab-basics/add-file.md

+# How to add a file
+
+You can create a file in your [shell](command-line-commands.md) or in GitLab.
+
+To create a file in GitLab, sign in to [GitLab.com](https://gitlab.com).
+
+Select a project on the right side of your screen:
+
+![Select a project](basicsimages/select_project.png)
+
+It's a good idea to [create a branch](create-branch.md), but it's not necessary.
+
+Go to the directory where you'd like to add the file and click on the "+" sign next to the name of the project and directory:
+
+![Create a file](basicsimages/create_file.png)
+
+Name your file (you can't add spaces, so you can use hyphens or underscores). Don't forget to include the markup language you'd like to use :
+
+![File name](basicsimages/file_name.png)
+
+Add all the information that you'd like to include in your file:
+
+![Add information](basicsimages/white_space.png)
+
+Add a commit message based on what you just added and then click on "commit changes":
+
+![Commit changes](basicsimages/commit_changes.png)
+
+### Note
+Besides its regular files, every directory needs a README.md or README.html file which works like an index, telling
+what the directory is about. It's the first document you'll find when you open a directory.