Enhance git tricks with reflog and checkout tips

Author: Ziaad-Khaled

01_version_control/my_favorite_neat_little_git_trick_demo.md

@@ -14,6 +14,8 @@
     [format]
             pretty = format:%C(auto,yellow)%h %C(auto,blue)%>(12,trunc)%ad %C(auto,green)%<(20,trunc)%aN%C(auto,reset)%s%C(auto,red)% gD% D
     ```
+- If you rebased/merged and messed up your history, use `git reflog` to go back to a previous state
+- If you only need one file from another commit or branch, use `git checkout <branch_or_sha> -- <path>`
 
 ## Tricks from Winter Term 2024/25