Sudoku-v1.5.1-rc

🎉 Yay!!! in this update added some new features such as :

- leaderboard of the current game session
- ability to play the same field of any kind as many times as you want, e.g. you can play now aginst your friend and compare your soution time method

🎉（￣︶￣）↗　🎆🎆🎇🎃🎊🎁🎀🎄

What's Changed

• function on_actionReset_triggered improved by @Vlad-Kumishche in #35
• Leaderboard by @Max-Sir in #36

Full Changelog: v1.5.0...Sudoku-v1.5.1-rc