Add Beatmap information

[The-Last-Cookie]

Closes #3122
Related to #8076

Notes

• These were the beatmaps used for screenshots
  • Lindsey Stirling - Electric Daisy Violin mapped by XinCrin
  • xi - Blue Zenith mapped by Asphyxia
• The images indicating that a beatmap has a storyboard and/or video were not included because I did not want to clutter the article with images. If you have an idea on how to integrate them in the article, please do not hesitate to mention it.
• Regardless of the selected game mode, the hit object counts only say circle and slider count, despite the fact that hit objects have different names in other game modes. This needs to be fixed on the website.
• Do yellow and orange have any meaning in the points of failure diagram?
• This article uses both the passive (describing a fact) and the active (directly "talking" to the reader) form interchangeably. I am aware that this might not be optimal as the article should prefer to use only one of them to stay consistent in my opinion. When writing, it was difficult for me to put this into practice. I wanted to prevent to sound too repetitive. If you have suggestions for better phrasing, please let me know. you is excluded of course as per writing guidelines.

Self-check

• The changes are tested against the contribution checklist

[MChecaH]

Some suggestions

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