Add neat little git trick: suggest using Git LFS for large/binary files (#225)

Co-authored-by: Felix Kimmerle <[email protected]>

Author: FelixKimmerle

01_version_control/my_favorite_neat_little_git_trick_demo.md

@@ -15,6 +15,8 @@
             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
     ```
 
+- Use [Git LFS](https://git-lfs.com/) for big files >10 MB or for non-diffable binaries (e.g., images, media, archives, shared libraries).
+
 ## Tricks from Winter Term 2024/25
 
 - Click on line number on GitHub and then `blame` to study history of file