Issue#158 Added info tooltip for Singel- and Multiple-Choice questions

[Kayra3Oz]

Description

Adds a ℹ️ icon with an explanation for single/multiple choice questions. If you hover over the icon you will see whether only one or more answers are allowed for this quiz or not

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Translation updates (fix/improve or add new translations)

Fixes Bootstrap-Academy/Bootstrap-Academy#ISSUE-158

My Bootstrap Academy username: kayra