add codeberg mention

Author: evanwill

_glossary/github.md

@@ -19,4 +19,4 @@ Check out these resources:
 - [Set up email privacy](https://help.github.com/en/github/setting-up-and-managing-your-github-user-account/setting-your-commit-email-address#about-commit-email-addresses){:target="_blank" rel="noopener"}
 - [GitHub Education](https://education.github.com/){:target="_blank" rel="noopener"} provides resources and benefits for educational use of GitHub, including free account upgrades.
 
-*Please note* that there are other version control systems (Subversion, mercurial, etc) and repository hosts ([Bitbucket](https://bitbucket.org/product), [GitLab](https://about.gitlab.com/), etc) out there... However, Git and GitHub are by far the most popular.
+*Please note* that there are other version control systems (Subversion, mercurial, etc) and repository hosts ([Codeberg](https://codeberg.org/), [Bitbucket](https://bitbucket.org/product), [GitLab](https://about.gitlab.com/), etc) out there... However, Git and GitHub are by far the most popular.

docs/repository/index.md

@@ -15,4 +15,4 @@ If you are unfamiliar with Git and GitHub here is the super quick overview:
 - a **Repository** is a folder of files for a project tracked by Git
 - **GitHub** is an online platform for collaborating on repositories
 
-*Note:* using other platforms such as [GitLab]({{ '/docs/advanced/gitlab/' | relative_url }}) or [BitBucket](https://bitbucket.org/) (or no version control at all) is definitely possible, but is not covered directly in these docs.
+*Note:* using other platforms such as [Codeberg](https://codeberg.org/), [GitLab]({{ '/docs/advanced/gitlab/' | relative_url }}), or [BitBucket](https://bitbucket.org/) (or no version control at all) is definitely possible, but is not covered directly in these docs.

docs/software/github.md

@@ -16,7 +16,7 @@ Code for your CollectionBuilder project will be stored on GitHub in a Git "repos
 So the first step is to sign up for a GitHub account if you do not have one already.
 
 **Note:** these docs assume you are using GitHub--however, it is **not** in any way a requirement to use CollectionBuilder. 
-Alternative platforms, such as [GitLab]({{ '/docs/advanced/gitlab/' | relative_url }}) or [Bitbucket](https://bitbucket.org/product), are available--or you could use no version control at all (we don't suggest this)!
+Alternative platforms, such as [Codeberg](https://codeberg.org/), [GitLab]({{ '/docs/advanced/gitlab/' | relative_url }}), or [Bitbucket](https://bitbucket.org/product), are available--or you could use no version control at all (we don't suggest this)!
 {:.alert}
 
 ## GitHub Account