## What changes were proposed in this pull request?

Add Pydev & Rstudio project file to gitignore list, I think the two IEDs are used by many developers.
so that won't need personal gitignore_global config.

## How was this patch tested?

N/A

Author: WeichenXu <WeichenXu123@outlook.com>

Closes #14293 from WeichenXu123/update_gitignore.