[New feature] Progress bar development proposal

[do02reen24]

Is your feature request related to a problem? Please describe.

• I suggest developing a progress bar.
• It will be useful for many people.

Describe the solution you'd like
The options provided are as follows.

• Choose a type(circle or rectangle).
• Add explanation. (ex. percent, etc)
• Change the color

Additional context

[do02reen24]

If the proposal is approved, please assign it to me.

[hyochan]

Looks great to have a try~!