[FEATURE REQUEST] Switch branches on website

### I have searched through the issues and didn't find my problem.

- [X] Confirm

### Problem

Currently the website doesn't provide anyway to see newly added icons.

### Possible Solution

Add option to switch branches so newly added icons can be seen. This would:

1. Allow developers to access the icons they are looking for right away without going through the hassle of finding it in develop branch.
2. People won't request icons that have already been added to develop branch.

Of course, the developers using icons from develop branch are wiling to take the risk. But there can be a simple messaged displayed somewhere on website stating that icons are subjected to change and they should use them on their own risk.

### Additional information

## Note

Shortcoming of this feature is that user can totally neglect the warning sometimes can use the icons anyway ending up with tons of bugs and then ending up in [issues](https://github.com/devicons/devicon/issues).