Feature Request: New Community components

[SimonDarksideJ]

Unity UI Extensions Feature Request

Is your feature request related to a problem? Please describe

Several proposed components:
#416 (comment)

[LayoutGroup] Hexagonal Layout Group. Good thing to include
https://github.com/mpewsey/HexagonalUI

[Graphic] My own realization of UICircle, with gradients, split segments etc
https://github.com/mitay-walle/com.mitay-walle.ui-circle-segmented

[Graphic] My Grid Raw Image for tetris-like inventory
https://github.com/mitay-walle/com.mitay-walle.grid-raw-image

[Graphic] Sector Custom Graphic, for radial menu (Selection wheel)
https://gist.github.com/mitay-walle/dd2e52e5e883878b91e549a9d40bde11

[SimonDarksideJ]

All controls except HexagonUI Imported, WIP docs