Update 01-cheat-sheet.html.md

* Linked `FlxTween` to its recently created page
* Added `makeGraphic()` method to `FlxSprite`
* Added `reset()` and `cancel()` methods to `FlxTimer`
* New Section: Swipes (Input)
* Fixed space consistency between sections
Update 01-cheat-sheet.html.md

Updated color to ARGB format
Merge pull request #72 from AndreiRegiani/patch-4

Update 01-cheat-sheet.html.md