Add branching episode

episodes/07-github.md

@@ -281,7 +281,7 @@
 our local repository to the repository on GitHub:
 
 ```bash
-$ git push
+$ git push origin main
 ```
 
 Since Dracula set up a passphrase, it will prompt him for it.  If you completed advanced settings for your authentication, it
@@ -355,7 +355,7 @@
 
 4. Push that change to the remote repository.
 
 ::::::::::::::::: solutions
 
 First, if you are in Rstudio, close your R Project from `File` > `Close Project`.
 
@@ -397,7 +397,7 @@
 We can pull changes from the remote repository to the local one as well:
 
 ```bash
-$ git pull
+$ git pull origin main
 ```
 
 ```output
@@ -459,11 +459,24 @@
 $ git pull
 ```
 
+If you are interested on how to write good READMEs, we invite you to review a dedicated episode in the [Improve your code for Epidemic Analysis with R](https://epiverse-trace.github.io/research-compendium/) tutorial website!
 
 :::::::::::::::::::::::::
 
 ::::::::::::::::::::::::::::::::::::::::::::::::::
 
+::::::::::::::::::::::::: testimonial
+
+### Share your online repository!
+
+This tutorial have a **Discussions** board also hosted in GitHub. 
+
+1. Access to this [Welcome entry](https://github.com/epiverse-trace/git-rstudio-basics/discussions/10)
+
+2. Share with us a link to the `case` repository you just uploaded! (For example, this is the link to the repository of one of our participants <https://github.com/avallecam/cases>)
+
+:::::::::::::::::::::::::
+
 ::::::::::::::::: checklist
 
 ![Use `git pull` to download content from a remote repository to the workspace and update the local repository to match that content. Use `git push` to upload local repository content to a remote repository.](fig/cut-git-verb_map-09.png)

episodes/08-collab.md

@@ -184,7 +184,7 @@ Take a look at the Owner's repository on GitHub again, and you should be
 able to see the new commit made by the Collaborator. You may need to refresh
 your browser to see the new commit.
 
-:::::::::::::::::::::::::::::::::::::::::  callout
+:::::::::::::::::::::::::::::::::::::::::  spoiler
 
 ## Some more about remotes
 
@@ -267,14 +267,6 @@ read and review.
 
 ::::::::::::::::::::::::::::::::::::::::::::::::::
 
-:::::::::::::::::::::::::::::::::::::::  challenge
-
-## Switch Roles and Repeat
-
-Switch roles and repeat the whole process.
-
-
-::::::::::::::::::::::::::::::::::::::::::::::::::
 
 :::::::::::::::::::::::::::::::::::::::  challenge
 
@@ -288,20 +280,37 @@ command line? And on GitHub?
 
 ## Solution
 
-On the command line, the Collaborator can use `git fetch origin main`
+**On GitHub**, the Collaborator can go to the repository and click on
+"commits" to view the most recent commits pushed to the repository.
+
+![Click on "commit". Select one commit.](fig/github-commits-button.png)
+
+![Replace age with sex commit. The removed content within lines is in red. The added content within lines is in green.](fig/github-commit-diff.png)
+
+On the **command line**, the Collaborator can use `git fetch origin main`
 to get the remote changes into the local repository, but without merging
 them. Then by running `git diff main origin/main` the Collaborator
 will see the changes output in the terminal.
 
-On GitHub, the Collaborator can go to the repository and click on
-"commits" to view the most recent commits pushed to the repository.
-
 ![Use `git fetch` to download the remote content but not update your local repo's working state, leaving your current work intact. Use `git pull` to download the remote content for the active local branch and immediately merge it. this can potentially cause conflicts.](fig/cut-git-verb_map-12.png)
 
 :::::::::::::::::::::::::
 
 ::::::::::::::::::::::::::::::::::::::::::::::::::
 
+## Group challenge
+
+:::::::::::::::::::::::::::::::::::::::  challenge
+
+## Switch Roles and Repeat
+
+Switch roles and repeat the whole process.
+
+
+::::::::::::::::::::::::::::::::::::::::::::::::::
+
+## Individual challenges
+
 :::::::::::::::::::::::::::::::::::::::  challenge
 
 ## Comment Changes in GitHub
@@ -332,7 +341,7 @@ What are some of the benefits of using version control, Git and GitHub?
 
 ### Create your GitHub profile!
 
-Your profile page introduce you to other contributors on GitHub:
+Now your work will be visible online on GitHub. Your profile page introduce you to other contributors on GitHub:
 
 ![](fig/github-create-00.png)