Linked main README sections to READMEs in section folders.

01-gitlab-basics/README.md

-# Git Basics
+# Git(Lab) Basics
 
-## What's a repository ?
+## Some definitions
+
+### What's a repository ?
 
 A repository is a hierarchy of folders (directories) to store your project files and folders *as well as additional files used by Git to keep track of all operations performed on your project files and folders*.
 
-  ### Is each project stored in a single repository ?
+  #### Is each project stored in a single repository ?
 
 Git is a distributed version management system. A specific project can be stored in multiple repositories. Usually, there is one reference repository used by all project contributors. All contributors have a local or work repository, which they initially cloned from the reference repository (more on this later).
 
-## What's a Branch ?
+### What's a Branch ?
 
 In short: a branch is a name used to track the history of changes to files and folders over time, as a series of commits.
 A repository can manage as many branches as needed (more on this later). When working on a Git project, there is always a *current* branch. Git provides operations to create/remove/switch between branches.
 
-## What's a Commit ?
+### What's a Commit ?
 
 In short: a commit is a set of changes to files or folders that we want Git to keep track of, such as:
   - Addition a file or folder
@@ -24,7 +26,7 @@ In short: a commit is a set of changes to files or folders that we want Git to k
 Git provides operations to specify which files should be part of a commit.
 
 
-## Create Your First Repository
+## Creating a Repository
 
 ### [Log In to GitLab](./media/gitlab-login.mp4)
 
@@ -44,22 +46,22 @@ Log in to GitLab using your favourite account settings (GitLab, Google, GitHub,
 
 ![./media/gitlab_create_project.png](./media/gitlab_create_project.png)
 
-## GitLab User Interface Main Panels
+### GitLab User Interface Main Panels
 
-### Project Summary Information
+#### Project Summary Information
 
 Recap with your project's name the number of _commits_, _branches_ (more on these soon) and _tags_ as well as storage space occupied by project files.
 
 ![./media/gitlab_project_info.png](./media/gitlab_project_info.png)
 
-### Current View and Most Recent Activity
+#### Current View and Most Recent Activity
 
 Which _branch_ are we looking at ?
 What was the most recent activity in this branch ?
 
 ![./media/gitlab_current.png](./media/gitlab_current.png)
 
-### Files / Folders in the Current View
+#### Files / Folders in the Current View
 
 Which files folders are part of the current _branch_ ?
 If there's a `README.md` file, what's its contents ?  

README.md

@@ -12,22 +12,22 @@ Training material for the Git for Beginners ABiMS training session
 ### Trainee Setup Testing
   1. Does everyone have an account on GitLab ?
 
-### Git(Lab) Basics
+### [Git(Lab) Basics](./01-gitlab-basics/README.md)
   1. Some definitions
   1. Creating a repository
-  1. Adding / editing / removing files & folders
+  1. Using the Web IDE
   1. Committing changes
 
-### Using Remote Repositories
+### [Working with Remote Repositories](./02-gitlab-clone/README.md)
   1. Motivation
   1. Cloning a GitLab repository
   1. Cloning using HTTPS
   1. CLoning using SSH
 
-### Git Command Line Basics
+### [Git Command Line Basics](./03-cli-basics/README.md)
   1. Displaying information about a local repository
-  1. Making changes to the local repository
-  1. Committing changes to the local repository
+  1. Making changes to a local repository
+  1. Committing changes to a local repository
   1. Propagating changes to the remote repository
   1. Keeping a local repository synchronized with a remote repository