Blocks should be placed in the center of the player's view while in pointer lock

[CalvinEN]

Currently, blocks are placed in the view from wherever the pointer was when it was locked.

[jasonjmcghee]

👍

[jasonjmcghee]

Great progress has been made on this issue. the add-crosshair branch has solved this issue, but the crosshair should be stylized before merging.