add task solution

[Olifan]

• DEMO LINK

• TEST REPORT LINK

• Changing 'month-lengh' and 'start-day' modifier in the code element
  reflects in changing calendar layout

• Each day has no modifiers, only class (eg. calendar__day)

• All Typical Mistakes from BEM lesson theory are checked.

• Code follows all the Code Style Rules ❗️

[mateacademy-ai-mentor]

Great job on implementing the calendar! 🎉 Your code meets the task requirements, and you've done well with the SCSS structure, BEM methodology, and hover effects. The only minor issue is the naming of the main SCSS file, which should be main.scss instead of index.scss. This doesn't impact functionality, so you're good to go! Keep up the excellent work and consider this small change for future projects. 😊

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