add advanced topics

git_gitlab_course/course.html

@@ -265,11 +265,68 @@ in 30 Minutes we will start with advanced topics.
 
 # Advanced topics
 
+best-practices for commits
 create branch & merge request  
 create issue & mention it in commit  
+use SSH key  
 fork & merge back into origin  
 add different remotes  
-use SSH key
+
+---
+
+# Best practices for commits
+
+- single purpose
+```bash
+Improve best practice slide
+```
+- short, imperative subject line
+```bash
+Add best practice slide
+```
+- tell why not how
+```bash
+Make wording on slides consistent
+```
+
+---
+
+# Create branch & merge request
+
+- create branch
+```bash
+git checkout -b new-branch
+```
+- push
+```bash
+git push --set-upstream origin new-branch
+```
+- merge (on gitlab)
+
+---
+
+# Create issue & mention it in commit  
+
+- create issue on gitlab
+- commit local change with `#1` for `1` the issue number
+```bash
+git commit -m "resolve #1"
+```
+- push
+- go to the issue on gitlab.com and observe
+
+---
+
+# Use SSH key  
+
+- create SSH key
+```bash
+ssh-keygen -t rsa -b 4096 -C "florian.moser3@uzh.ch" && eval $(ssh-agent -s) && ssh-add ~/.ssh/id_rsa
+```
+- copy `~/.ssh/id_rsa.pub`
+- add the public key on gitlab.com
+- push/pull to see it works
+
 
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