Add branch/merge/rebase visuals

visualize-git.md

@@ -2,8 +2,29 @@
 
 ## commands
 
-git commit -m "message 1"
+### Adding commits
-git commit -m "message 2"
+git commit -m "message 1" <br/>
-git commit -m "message 3"
+git commit -m "message 2" <br/>
+git commit -m "message 3" <br/>
 
+### Creating a branch
 
+git branch feature <br/>
+git commit -m "message 4" <br/>
+git checkout feature <br/>
+git commit -m "message 5" <br/>
+git commit -m "message 6" <br/>
+git commit -m "message 7" <br/>
+git commit -m "message 8" <br/>
+
+### Merging with master
+git checkout master
+git merge feature 
+
+undo
+
+### Rebase with master
+git checkout master
+git rebase feature
+git checkout feature
+git merge