Add post about GitLab -> GitHub migration

Closes #55

Author: michalspano

_posts/2026-01-23-migrate-gitlab-proj-to-github.md

@@ -0,0 +1,46 @@
+---
+title: GitLab to GitHub Migration Guide
+sub_title: Import your course projects to GitHub
+
+author:
+  name: SKIP
+---
+
+![](/assets/posts/gitlab-github)
+
+This guide explains two ways to move your projects from Chalmers GitLab to
+GitHub while preserving the `git` history.
+
+## Method 1: Move Code with Full Commit History
+
+1. Clone with full history:
+```sh
+git clone --mirror git@git.chalmers.se:you/your-project.git
+```
+2. Create an empty GitHub repo.
+
+3. Push mirrored repo:
+```sh
+cd your-project
+git remote set-url git@github.com:yourname/your-project.git
+git push --mirror
+```
+
+## Method 2: GitHub Import
+
+GitHub has a built-in GitLab Importer, but you will need a GitLab Access Token.
+
+**1. Create a Personal Access Token in GitLab**
+
+* Go to: Chalmers GitLab \> User Settings \> Personal Access Tokens  
+* Create token with scopes:  
+  * `api`
+  * `read_repository`
+
+Copy it.
+
+**2. Use GitHub’s GitLab Import Tool**
+
+Go to: [https://github.com/new/import](https://github.com/new/import)
+
+Enter your GitLab repository URL, username, and token.