New Gaming Sections (#3496)

* Update
- Created brand new Rubik's Cube & Minesweeper sections.
- Moved Cubing & Chess Practice sections under new Game Learning section.
- Moved Crosswords section under Puzzle Games.

* Update
- Added redirects for Rubiks Cube sections.
- Moved Word Games under Puzzle Games.

* Update
- Finishing touches.
- Tidied up Minesweeper links.

* Fix

* Update
- Tweaked some entries.
- Tidied up Crosswords section.

docs/gaming-tools.md

@@ -701,7 +701,6 @@
 * [FortniteEXP](https://www.fortnitexp.net/) - Fortnite XP Progression / Leveling Rates
 * [Ready or Not Doc](https://docs.google.com/spreadsheets/d/1d89lpFDA9lo_v13iBlnhtuA6DvuUnKfPaeo0d4RBGJ4/) - Ready or Not Info
 * [FM Moneyball](https://www.fmdatalab.com/tutorials/moneyball) - Football Manager Recruitment Tool / [Tutorial](https://youtu.be/vBoHCH-rZMI)
-* [Minesweepergame.com](https://minesweepergame.com/) and [Minesweeper.online Wiki](https://minesweeper.online/help/gameplay) - All about Minesweeper
 * [WRCsetups](https://wrcsetups.com/) - WRC Setups
 * [Peacock](https://github.com/thepeacockproject/Peacock) - Hitman World of Assassination Server Replacement
 * [Useful Osu](https://github.com/CarbonUwU/Useful-osu) - Osu! Resources