[FEAT] Adding version history to track changes in workflow overtime

### Feature Idea

There are numerous times when I change something, and I'm like What did I change that messed something up. So, having something like version control locally will help a lot. A node or extension can be made but it won't have great compatibility and features.

### Existing Solutions

_No response_

### Other

If this feature is something that you want to include in ComfyUI, can I take it up?