add answer_dice method

[LimiO]

Description

Added 2 new methods to types.message that send dice

Type of change

• Documentation (typos, code examples or any documentation update)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[evgfilim1]

It would be nice to add reply_dice method also, I guess

[LimiO]

It would be nice to add reply_dice method also, I guess

ty for advice. Done